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Impedance Based Single Cell-
Single cell impedance test method
This review summarizes basic principles, analytical models and design concepts of single-cell impedance sensing devices, including impedance flow cytometry (IFC) to detect flow-through single cells.
FAQs about Single cell impedance test method
What is single cell impedance measurement?
Single-cell impedance measurement is label free and noninvasive in characterizing the electrical properties of single cells. At present, though widely used for impedance measurement, electrical impedance flow cytometry (IFC) and electrical impedance spectroscopy (EIS) are used alone for most microfluidic chips.
What is single cell impedance spectroscopy?
Impedance measurement of single cells; Impedance spectroscopy for single-cell analysis; Single-cell electrical impedance spectroscopy Single-cell impedance spectroscopy is a technique that operates by applying a frequency-dependent excitation signal on a single cell positioned in between two measurement microelectrodes.
Can impedance sensing technology be used in single-cell analysis?
Then, recent advances of both electrical impedance sensing systems applied in cell recognition, cell counting, viability detection, phenotypic assay, cell screening, and other cell detection are presented. Finally, prospects of impedance sensing technology in single-cell analysis are discussed. 1. Introduction
What are the applications of microfluidic systems for single-cell impedance measurement?
Next, applications of two essential microfluidic systems for single-cell impedance measurement are focused: impedance flow cytometry for mobile cell detection, such as cell counting, identification, and classification, and electrical impedance spectroscopy for immobilized cell monitoring, such as cell differentiation, division, and proliferation.
What is the common theory of impedance measurement of biological cells?
Here, we discuss the common theory of impedance measurement of biological cells, and provide the typical modeling of three different sensing methods: ECIS, impedance sensing and analysis of single cells passing through a flow channel, and impedance spectroscopy of cells in suspension. 2.1. Electric model of a single cell
What is the experimental setup for electrical impedance analysis of single cells?
The most common experimental setup for electrical impedance analysis of single cells is as follows.29 AC excitation signals at different frequencies are superimposed and applied to the stimulation electrodes, to establish an electric field in the channel, which is filled with a conductive fluid.
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Photovoltaic cell box field prediction
••Introducing an open-source, satellite-based tool for PV performance prediction••. Predicting how much energy is produced by photovoltaic (PV) panels is essential for planning. Accurate field-performance prediction is essential for the calculation of return-on-investment for photovoltaic projects. Leading software predicting field performance wa. Since the introduction of large-scale photovoltaic (PV) installations in the late 1990s, the majority of all PV panels have been installed in temperate climates, with Europe, Japan, a. Accurate PV Performance Prediction Using Satellite InputsThe procedure to calculate the local energy yield is shown schematically in Figure 2. One key compon. Comparison with State of the Art and Critical RemarksA number of studies have addressed the difference in PR between silicon and cadmium tellurid.
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FAQs about Photovoltaic cell box field prediction
What is solar photovoltaic forecasting?
Solar photovoltaic (PV) forecasting has attracted researchers from different fields such as meteorology, data sciences, and engineering, focusing on accurately estimating solar irradiance and converting it to electricity.
How physics is used to predict PV power?
Physical models are applied to irradiance — PV power conversion or to adjust weather variables. Then, data-driven methods are used to improve the prediction accuracy or PV power estimation based on physics information .
Can a simulation model be used to model photovoltaic system power generation?
A simulation model for modeling photovoltaic (PV) system power generation and performance prediction is described in this paper. First, a comprehensive literature review of simulation models for PV devices and determination methods was conducted.
Can a compared model predict the trend of PV power?
Comparison of PV power prediction results. As can be seen from the comparison of the prediction results in the figure, all the compared models can predict the trend of PV power when performing short-term predictions of PV power.
Why is forecasting PV module power output important?
Accurate prediction of PV module power output under real weather conditions is of great importance for designers of system configurations and product selection , , . Likewise, it is also crucial for engineers to evaluate PV systems operational performance.
What is a hybrid model for PV power forecast?
Meanwhile, in, a hybrid model for PV power forecast is introduced integrating the SDM to estimate PV power AC output, a converter regression model for AC–DC conversion, along with k-means clustering to define prediction intervals.
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Silicon Solar Cell Site Selection Requirements
Electricity demand is increasing mainly due to population expansion and the continuous supply of electricity in the residential, industrial, and service sectors. This energy is a critical factor of economic growth, an. ••Application of fuzzy-boolean logic, AHP multi-criteria decision making, a. Human urbanization, industrialization, and population growth are the most important reasons for depleting fossil fuel resources by increasing energy consumption in the world. Energy pr. The study area is Khuzestan province with an area of 64055 km2 in southwestern Iran, located within 47°42′ to 50°39′ E longitude and 29°58′ and 32°58′ N latitude. The general climate o. 3.1. Initial suitability mapThe initial site suitability map for the photovoltaic power plant installation in Khuzestan province is obtained by overlaying the cli. The present study investigated the optimum site selection and potential assessment of a photovoltaic solar power plant in Khuzestan province, located in southwestern Iran. AHP Multi-criteri.
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FAQs about Silicon Solar Cell Site Selection Requirements
What are the design constraints for silicon solar cells?
For silicon solar cells, the basic design constraints on surface reflection, carrier collection, recombination and parasitic resistances result in an optimum device of about 25% theoretical efficiency. A schematic of such an optimum device using a traditional geometry is shown below.
Why is site-selection of solar photovoltaics (PV) and concentrated solar power (CSP) important?
Scientific research on the site-selection procedures of solar photovoltaics (PV) and concentrated solar power (CSP) technologies is of significant importance, contributing to environmentally sustainable, technically and economically viable, and socially acceptable solar energy projects.
How efficient are silicon solar cells?
The average value globally stands at 27.07%. The highest Si cell efficiency (30.6%) on Earth can be reached in the Nunavut territory in Canada while in the Borkou region in Chad, silicon solar cells are not more than 22.4% efficient.
What is the optimum X-on-Si based solar cell design?
The design of single- and double-junction Si-based solar cells is mapped globally An optimum Si cell in Australia should be 50% thinner than its counterpart in Europe The reevaluated theoretical efficiency limit of X-on-Si tandem cells is 42.8%
What is a silicon solar cell?
Basic schematic of a silicon solar cell. The top layer is referred to as the emitter and the bulk material is referred to as the base. Bulk crystalline silicon dominates the current photovoltaic market, in part due to the prominence of silicon in the integrated circuit market.
What are the key parameters of a solar cell?
However, primarily due to the simplifications (such as semi-empirical models 27) made in such studies, key parameters of a solar cell, e.g., Si wafer thickness, are overlooked, and insights about solar cell design are rarely provided.
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Blade battery cell production
The BYD blade battery is a for, designed and manufactured by, a of Chinese manufacturing company. The blade battery is most commonly a 96 centimetres (37.8 in) long and 9 centimetres (3.5 in) wide single-cell battery with a special design, which can b.
FAQs about Blade battery cell production
Where is BYD blade battery made?
Located in the city's Bishan District, the factory is currently the only production base for the Blade Battery. It possesses a highly demanding production environment and much of BYD's self-developed Blade Battery production equipment. The factory has a total investment of 10 billion yuan with an annual production capacity of 20GWH.
What is a blade battery?
The blade battery is an in-house development from BYD. The name refers to the unusual format: the pouch cells are very long and therefore resemble a sword blade. The elongated cells, which are produced exclusively using LFP chemistry, are installed in the battery packs at right angles to the direction of travel.
How long does a blade battery take to charge?
In addition to solving the issue of endurance – once a previous limiter to the development of traditional lithium iron phosphate batteries – the Blade Battery can be charged from 10% to 80% of its full capacity within 33 minutes, supporting the BYD Han EV's acceleration of zero to 100 km/h in 3.9 seconds.
What are the characteristics of BYD blade battery technology?
One of the biggest features of BYD blade battery is “super safety”. BYD had gone through long attempts and efforts to develop this battery. Today we will analyze the characteristics of BYD blade battery technology from the perspective of battery manufacturing process and its six major advantages.
How does a blade battery work?
Arranged in an array in one pack, each cell serves as a structural beam to help withstand the force. The aluminum honeycomb-like structure, with high-strength panels on upper and lower side of the pack, greatly enhances the rigidity in vertical direction. It is this revolutionary design that gives optimised strength to the Blade Battery.
How a blade battery is made?
There are generally two manufacturing processes for batteries: winding and stacking processes. The blade battery adopts advanced high-speed stacking process, the length of the stacking pole piece can reach about 1000mm, the stacking alignment tolerance is within ±0.3mm, and the single stacking efficiency is 0.3s/pcs.
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Calculation of solar cell specifications
The powerrequired by our daily loads range in several watts or sometimes in kilo-Watts. A single solar cell cannot produce enough power to fulfill such a load demand, it can hardly produce power in a range from 0.1 to 3 watts depending on the cell area. In the case of grid-connected and industrial power plants, we require. One of the basic requirements of the PV module is to provide sufficient voltage to charge the batteriesof the different voltage levels under daily solar radiation. This implies that the module. For the measurement of module parameters like VOC, ISC, VM, and IM we need voltmeter and ammeter or multimeter, rheostat, and connecting wires. One of the most common cells available in the market is “Crystalline Silicon Cell” technology. These cells are available in an area of 12.5 × 12.5 cm2.
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FAQs about Calculation of solar cell specifications
How do you calculate a solar panel size?
To calculate the solar panel size for your home, start by determining your average daily energy consumption in kilowatt-hours (kWh) based on your electricity bills. Then calculate your daily energy production requirement by dividing your average daily energy consumption by the system efficiency.
How to calculate solar cell efficiency?
A solar cell efficiency is defined as the maximum output power (PM) divided by the input power (PIN). It is measured in percentage (%), which indicates that this percentage of input sunlight power is converted to electrical power. The input power is power density. Therefore, to calculate efficiency multiply PIN at STC by area.
What are the key specifications of solar panels?
The article covers the key specifications of solar panels, including power output, efficiency, voltage, current, and temperature coefficient, as presented in solar panel datasheets, and explains how these factors influence their performance and suitability for various applications.
How do you calculate solar energy consumption?
Divide the actual solar panel capacity by the capacity of a single panel to determine the number of panels needed. For example, if your average daily energy consumption is 30 kWh and the system efficiency is 80%, and you have an average of 5 hours of sunlight per day, you would calculate your daily energy production requirement as follows:
How to calculate the power of a solar panel?
Calculate the power for every value of voltage and current by using the equation below. P = V × I Thus, by using these measured values all the other parameters of the PV module can be obtained. Related Posts: How to Wire Solar Panels in Series & Batteries in Parallel? How to Wire Solar Panels in Parallel & Batteries in Series?
What are the parameters of a solar cell?
The solar cell parameters are as follows; Short circuit current is the maximum current produced by the solar cell, it is measured in ampere (A) or milli-ampere (mA). As can be seen from table 1 and figure 2 that the open-circuit voltage is zero when the cell is producing maximum current (ISC = 0.65 A).
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6v16w solar cell charger
1°/ Unfold the SUNMOOVE 16W solar charger 2°/ Connect the device using the USB cable supplied (USB-C / Micro USB / iPhone cable)*. 3°/ Orient the panel towards the sun, with the. – Closed size: 26 x 16 x 3 cm – Size open: 26 x 48 x 1.5 cm – Weight: 490 gr – Output: 5V – USB – Current: 3,200 mA – Power: 16 Watts – Easy to clean with a soft, damp sponge – CE /. – 3 ultra-thin folding panels with SunPower cells – 1 USB cable with micro-USB output and 2 iPhone and USB-C adapters to connect to the micro-USB.
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Monocrystalline Cell Type Classification
Photovoltaic cells are made from a variety of semiconductor materials that vary in performance and cost. Basically, there are three main categories of conventional solar cells: monocrystalline semiconductor, the polycrystalline semiconductor, an amorphous silicon thin-film semiconductor. The crystallinityof a material indicates how perfectly ordered the atoms are in the crystal structure. The atoms making up a crystal are repeated in a. This type of semiconductor cell generally has a lower conversion efficiency compared to monocrystalline cells, but manufacturing costs are also lower. The polycrystalline material is. The PV materials previously discussed are all in production, with ongoing research to improve efficiency and lower the cost. Two other types of PV cellsare newer and still largely in the research and. This type of solar panel is noncrystalline and can absorb up to forty times more solar radiation than monocrystalline silicon. Thin-film.
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FAQs about Monocrystalline Cell Type Classification
What is a monocrystalline solar cell?
A monocrystalline solar cell is a single-piece material. One can physically distinguish monocrystalline from polycrystalline. Monocrystalline solar cells give a more aesthetic and premium look. They typically have a black hue. Each corner of the cell is clipped, giving them an octagonal shape.
What is the difference between monocrystalline and polycrystalline silicon?
Unlike monocrystalline, polycrystalline silicon is composed of several small crystallites. It is a non-homogeneous material and shows a discontinuity in electrical, thermal, and crystal properties. Because of defects in the crystal structure, poly c-Si solar cells are less efficient than mono c-Si cells.
What is an example of a polycrystalline cell?
A common example of a polycrystalline cell is polycrystalline silicon. Cell efficiency typically is 13% to 15%. Polycrystalline silicon is also widely used because it is less expensive than monocrystalline silicon. A variation on the polycrystalline silicon wafer is ribbon silicon, which is formed by drawing flat thin films from molten silicon.
What is an example of a monocrystalline semiconductor?
An example of a monocrystalline semiconductor is monocrystalline silicon. This is the most widely used type of silicon in wafer-type solar cells because it has the highest efficiency. The drawback is that it is also the most expensive.
How do you identify mono crystalline solar cells?
Elements allowing the silicon to exhibit n-type or p-type properties are mixed into the molten silicon before crystallization. You can identify mono-crystalline solar cells by the empty space in their corners where the edge of the crystal column was. Each cell will also have a uniform pattern as all of the crystals are facing the same way.
Are monocrystalline solar panels better than polycrystalline?
Polycrystalline materials are cheaper and quicker to make but less efficient. Monocrystalline cells are more efficient but higher cost. Thin-film solar panels may be an option if the aim is to use the expanse of a building to create clean electricity.
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Solar module cell area
Average length, width, thickness, weight, and area for 100W to 600W solar panels — built from 60+ current manufacturer datasheets (LONGi, JinkoSolar, REC, SunPower, Q CELLS, Renogy, BougeRV). Includes real model specs, roof-fit math, FAQ, and sources.
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Which 15MWh photovoltaic cell cabinet is the best
But with so many options available, how do you pick the best photovoltaic energy storage cabinet? This article breaks down the top 10 systems, compares their features, and provides actionable insights toBut with so many options available, how do you pick the best photovoltaic energy storage cabinet? This article breaks down the top 10 systems, compares their features, and provides actionable insights to.
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Energy storage lithium battery cell specifications
Common lithium cell specifications include capacity, voltage, energy density, and cycle life. These parameters directly influence the performance and longevity of battery packs.
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Solar Cell Military
Solar energy is an attractive solution for military and government operations as it offers several benefits such as cost savings, energy security, and reduced environmental impact.
FAQs about Solar Cell Military
What is a solar soldier?
In response to this, the concept of the Solar Soldier was born. The premise of the programme is to provide a solar-powered battery pack which could be up to 50% lighter than power cells currently in use by UK soldiers, with energy collected by a combination of solar cells and thermoelectric devices.
Can soldiers use wearable solar?
Defence organisations across the world have spent millions trying to develop wearable solar technology for soldiers in the field. The technology gives soldiers a constant source of energy to recharge batteries, while reducing the need to carry a large amount of heavy spares. But how close are we to seeing deployed soldiers with wearable solar?
Can photovoltaic solar cells improve soldiers' performance?
Recent projects have looked to introduce photovoltaic solar cells onto the soldier's personal kit and uniform. Cells integrated onto backpacks and helmets have frequently been cited as one method of increasing a soldier's capability on the field. Significant progress has been made in this field, but challenges remain.
What does the Army's new solar power system do?
The army says its goal is to boost clean energy, reduce greenhouse gas emissions, and give the nearby training facility a source of backup energy during power outages. The panels will be able to generate about one megawatt of electricity, which can typically power about 190 homes.
What are CSES solar cells for military use?
CSES has worked with Australia's Defence Science and Technology Organisation (DSTO) to develop SLIVER solar cell modules for military use. These are extremely thin and flexible solar cells which have high power-to-weight ratios and can be conformed to complex surfaces such as helmets.
Why do military use solar power?
Solar-powered operations also allow military units to operate more stealthily. Unlike the noisy diesel generators that are usually used to power lights and other equipment in the field, solar panels don't produce any noise. Their silent operation reduces the likelihood of detection by enemy forces.
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Photovoltaic cell industry in 2018
Photovoltaic (PV) devices convert light directly into electricity and should not be confused with other solar technologies such as concentrated. There are seven primary applications for PV power systems starting from small pico systems of some watts to very large-scale PV plants of hundreds of. For off-grid systems, a storage battery is required to provide energy during low-light periods. Nearly all batteries used for PV systems are of the deep discharge lead-acid type. Other types of. Distributed energy storage using batteries was included in the subsidies for installations of net zero energy houses (ZEH) and demonstration projects of net zero energy building (ZEB). Some local governments also support.
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HJT photovoltaic cell principle
The main working process of HJT involves: Sunlight stimulates electrons at the absorber layer's P-N junction moving them to the conduction band and forming electron-hole pairs (e-h).
FAQs about HJT photovoltaic cell principle
What are HJT solar panels?
It reduces recombination and improves performance in hot climates. Come let us explore more about them. These are also known as Silicon heterojunctions (SHJ) or Heterojunction with Intrinsic Thin Layer (HIT) solar panels. These are a group of HJT solar cells that use advanced photovoltaic technology.
What are heterojunction solar cells (HJT)?
Heterojunction solar cells (HJT), variously known as Silicon heterojunctions (SHJ) or Heterojunction with Intrinsic Thin Layer (HIT), are a family of photovoltaic cell technologies based on a heterojunction formed between semiconductors with dissimilar band gaps.
What is the difference between standard and HJT solar cells?
Standard (homojunction) solar cells are manufactured with c-Si for the n-type and p-type layers of the absorbing layer. HJT technology, instead, combines wafer-based PV technology (standard) with thin-film technology, providing heterojunction solar cells with their best features. Structure of HJT solar cell - Source: De Wolf, S. et al.
What is HJT (heterojunction technology)?
HJT (Heterojunction Technology) is a type of solar cell technology that combines the benefits of crystalline silicon solar cells with thin-film solar cells to achieve higher efficiency and improved performance. Provide a brief historical overview of the development and adoption of HJT technology. 2. How HJT Technology Works:
How efficient is HJT solar cell?
With a maximum cell efficiency of 29.20%, closely approaching the 29.40% of monocrystalline silicon cells, HJT is widely regarded as the next-generation solar cell technology. Huasun's Himalaya G12 HJT solar cell, now achieving 26.50% efficiency in mass production, represents a significant advancement in the HJT sector. 03: Simplified Production
What are HJT solar cells made of?
These cells are made of three key materials: 1. Crystalline Silicon (c-Si) – Conventional solar panels use them to build homojunction solar cells. They are of two types polycrystalline silicon and monocrystalline silicon. However, monocrystalline is the only one considered for HJT solar cells because of its better purity and efficiency.
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The decline in battery cell prices is a positive
The electric vehicle (EV) industry has received a major boost with the steepest decline in lithium-ion battery pack prices in seven years, as reported by BloombergNEF's annual battery price survey.
FAQs about The decline in battery cell prices is a positive
Why are battery prices falling?
The decline in battery prices has been driven by a combination of factors including increased production capacity, falling raw material costs, and advancements in battery technology. Maintenance-free sealed AGM battery, compatible with various motorcycles and powersports vehicles.
Why are lithium-ion batteries so expensive?
The cost of raw materials, particularly lithium carbonate, plays a significant role in the pricing of lithium-ion batteries. The recent decrease in lithium prices has been a major factor in lowering battery costs. As lithium is a key component in these batteries, fluctuations in its price directly impact the overall cost of battery production.
Why are battery prices falling in China in 2024?
In 2024 alone, China is expected to produce enough cells to meet 92% of global demand, creating downward pressure on prices. Cheaper Materials: A decline in the costs of metals and components, coupled with the adoption of more affordable lithium iron phosphate (LFP) batteries, has further driven the price drop.
Are lithium-ion batteries on a downward trend?
The price of lithium-ion batteries has been on a downward trend, reaching a record low of $139 per kWh in 2023 and continuing to decrease into 2024. The reduction in lithium prices, increased production capacity, and technological advancements have all contributed to this trend.
Will a drop in green metal prices push electric vehicle battery prices lower?
Technology advances that have allowed electric vehicle battery makers to increase energy density, combined with a drop in green metal prices, will push battery prices lower than previously expected, according to Goldman Sachs Research.
How will Lithium prices affect EV battery prices in 2023?
Effect on Battery Prices: The decrease in lithium prices is expected to further lower the prices of lithium-ion batteries, continuing the trend observed in 2023. In June 2024, the average prices for EV battery cells saw a decrease: Square Ternary Cells: Priced at CNY 0.49 per Wh, down 2.2% from May.
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Discharge of a single lead-acid battery
The recommended discharge depth for a lead acid battery is typically 50% to 80% of its total capacity. Discharging beyond this limit can significantly shorten the battery's lifespan and performance.
FAQs about Discharge of a single lead-acid battery
What happens when a lead-acid battery is discharged?
Figure 4 : Chemical Action During Discharge When a lead-acid battery is discharged, the electrolyte divides into H 2 and SO 4 combine with some of the oxygen that is formed on the positive plate to produce water (H 2 O), and thereby reduces the amount of acid in the electrolyte.
What is a lead-acid battery?
In a lead-acid battery, two types of lead are acted upon electro-chemically by an electrolytic solution of diluted sulfuric acid (H 2 SO 4). The positive plate consists of lead peroxide (PbO 2), and the negative plate is sponge lead (Pb), shown in Figure 4. Figure 4 : Chemical Action During Discharge
How does a lead acid battery work?
A typical lead–acid battery contains a mixture with varying concentrations of water and acid. Sulfuric acid has a higher density than water, which causes the acid formed at the plates during charging to flow downward and collect at the bottom of the battery.
What happens if you overcharge a lead acid battery?
Table 4 shows typical end-of-discharge voltages of various battery chemistries. The lower end-of-discharge voltage on a high load compensates for the greater losses. Over-charging a lead acid battery can produce hydrogen sulfide, a colorless, poisonous and flammable gas that smells like rotten eggs.
What happens when a battery is turned into a spongy lead?
The anode is transformed into lead peroxide (PbO 2) and cathode into the spongy lead (Pb). Water is consumed and sulphuric acid is formed which increases the specific gravity of electrolyte from 1.18 to 1.28. The terminal voltage of each battery cell increases to 2.2 to 2.5V.
How does a lead-acid battery cell work?
A lead-acid battery cell consists of a positive electrode made of lead dioxide (PbO 2) and a negative electrode made of porous metallic lead (Pb), both of which are immersed in a sulfuric acid (H 2 SO 4) water solution. This solution forms an electrolyte with free (H+ and SO42-) ions. Chemical reactions take place at the electrodes: