Equipment Name: Quantum Efficiency Test System for Solar Cells Equipment No.: HIK-CBT-1 (1) System Introduction
Solar cell (photovoltaic material) spectral response test, quantum efficiency QE (Quantum Efficiency) test, photoelectric conversion efficiency IPCE (Monochromatic Incident) test and so on. Photon-to-Electron Conversion Efficiency (PECE) test. Broadly speaking, it is the measurement of photovoltaic materials in different wavelengths of light conditions of photogenerated current, photoconductivity and so on.
(2) System Composition
Ø The system consists of two 150W xenon lamps, which are used as a detection light source and a bias light source (optional).
Ø A 300mm focal length triple grating spectrometer is used as the spectroscopy system to ensure good wavelength accuracy and repeatability, and to eliminate the influence of multi-level spectra.
Ø Unique testing optical path, can simultaneously realize the responsivity and specular reflectivity test. For the reflectance test of diffuse reflectance samples, the integrating sphere method is used to realize the test, ensuring the accuracy of the test. The detector spot size is adjustable from 3mm to 10mm to suit different sample sizes.
Ø The sample stage adopts high-precision two-dimensional translation mechanism, equipped with constant temperature (or variable temperature) and vacuum adsorption device, variable temperature range can reach 5 ~ 40 degrees.
Ø The system can work in chopper mode and continuous mode, the chopper mode adopts phase-locked amplifier to realize data acquisition, and the continuous mode adopts high-precision DC amplifier to realize data acquisition.
Ø Adopting two-dimensional high-precision electric displacement stage can carry out Mapping scanning on battery samples
Ø Specialized software can realize one-key automatic completion of responsivity, reflectivity, QE and IPCE testing. And you can design your own testing process for different applications.
(4) Technical Parameters Item Indicator and Description 150W Xenon Lamp Optical Stability ≦ 0.8%, can work in chopping mode (suitable for conventional monocrystalline/polycrystalline/amorphous silicon, CdTe CIGS GaAs, etc. solar cells) and continuous mode (suitable for slow-response dye-sensitized batteries, organic solar cells) Test Spot Size 3mm ~ 10mm Triple Grating DSP Scanning Monochromator Wavelength Range 300nm~2000nm Wavelength Accuracy a)±0.3nm(1200g/mm,300nm) b)±0.6nm(600g/mm,500nm)
c)±0.8nm(300g/mm,1250nm) Scanning Interval Minimum 0.1nm Output Wavelength Bandwidth <5 nm Multi-level Spectral filtering device Automatic switching according to the wavelength, eliminating the effect of multi-level spectra Light modulation frequency 4 - 400 Hz Standard sample stage size 164mm x 164mm Standard silicon detector with calibration report Bias light source Adjustable light intensity, up to more than 1 solar constant (optional) Maximum size of the sample 156mm x 156mm Sample size 156mm x 156mm Data acquisition device sensitivity a) Chopper mode: 2nV; b) Continuous mode: 100nA Measurement repeatability Repeatability of the integration of the solar spectrum curve within ± 1% Test period Single scanning < 1min, complete test < 5min (step 5nm) Reflectance Measurement Specular reflection 300-1100nm (optional); Diffuse reflection 300-1600nm (optional) Temperature Control Constant Temperature Control: 25 ± 1 ℃ (optional); Variable Temperature Control: 25 ± 1 ℃ (optional); Temperature Control: 1 ℃ (optional); Temperature Control: 1 ℃ (optional); Temperature Control: 1 ℃ (optional) Temperature control Constant temperature control: 25 ± 1 ℃ (optional); variable temperature control: 5 ~ 40 ℃ (optional) 3D Mapping 156mm × 156mm, 100um resolution Instrument size Mainframe: 842mm × 770mm × 575mm; Control Cabinet: 800mm × 600mm × 1300mm Equipment Name: Solar Cell I-V Characteristics Measurement System Equipment No.: HIK-CBT-2 (1) System Introduction System Introduction
In all the performance characterization means of solar photovoltaic devices, IV characterization is undoubtedly the most intuitive, most effective and most widely used method. By measuring the IV characteristic curve and further analyzing and processing the data, the physical properties of the PV device, including the efficiency of photovoltaic conversion, fill factor, etc., can be directly understood. These data can provide a reliable basis for the research, quality control and application of PV devices. Joyo provides cost-effective IV characterization test systems and the most complete and professional technical support.
(2)Application scope
Solar cell IV characteristics measurement and analysis
Ø Measurement of IV curves under light conditions and dark conditions;
Ø Measurement of open-circuit voltage Voc, short-circuit current Isc, short-circuit current density Jsc, maximum power voltage Vmpp, Maximum power current Impp, Filling factor FF, Photoelectric conversion efficiency Eta
Ø Dark current deduction function
Ø Standard measurement condition correction function (IEC standard)
Ø Standard solar cell correction function
(3) Main Features
Ø Complete IV Characterization Measurement and Analysis Solution
Ø Test Methods in Compliance with IEC International Standards
Ø Probe Shadow Minimization, Reduced Measurement Errors
Ø Temperature Control Function, IEC Standard test conditions
Ø Vacuum adsorption function, more convenient for sample fixation
Ø Graphical interface software, easy to operate
Ø Support Excel, ASCII, XML format data export
Ø ; Report printing function, automatically generate a complete test report Equipment Name: Solar Cell Spectroscopy Test System Equipment No.: HIK-CBT-3 (1) System Introduction
The spectral response and quantum efficiency testing of solar cells are important references for the improvement of solar cell production processes (e.g., fluffing, diffusion, and back-field processes) and for the study of its performance. 7- The SCSpec system can be used to test the spectral response and the quantum efficiency of a solar cell. The SCSpec system can test the Spectral Response, Quantum Efficiency or IPCE (Monochromatic Incident Photon-to-Electron Conversion Efficiency) of solar cells. Spectral Reflectivity and Current Density.
(2) Application Range System Model Measurement Items Absolute Spectral Response, External Quantum Efficiency, Spectral Transmittance, and Short-Circuit Current Density for 7-SCSpec I Silicon Cells Absolute Spectral Response, External Quantum Efficiency, Spectral Transmittance, Short-Circuit Current Density,
Spectral Reflectivity, Internal Quantum Efficiency for 7-SCSpec III Silicon Cells Absolute spectral response, external quantum efficiency, spectral transmittance, short-circuit current density for thin-film cells 7-SCSpec IV Absolute spectral response, external quantum efficiency, short-circuit current density for dye-sensitized cells 7-SCSpec V Absolute spectral response, external quantum efficiency, spectral transmittance, short-circuit current density for silicon cells,
Spectral reflectance, internal quantum efficiency
Absolute spectral response, external quantum efficiency, spectral transmittance, short-circuit current density of thin-film cells
Absolute spectral response, external quantum efficiency, short-circuit current density of dye-sensitized cells (3) System Features
& Oslash; High-power continuous light source, output spectrum is smooth and spike-free to ensure measurement repeatability
& Oslash; Unique spectroscopic system to ensure good wavelength accuracy and repeatability, eliminating the effect of multi-level spectrum, small stray light.
Ø Super weak signal processing ability, effectively improve the signal-to-noise ratio, to ensure the accuracy of the measurement
Ø Unique sample chamber and sample holder design, easy to clamp, good contact with the electrodes, and little interference with the weak signal test
Ø Complete fully automated dedicated system software:
- Integration of the spectroscopic system, multi-stage spectral filtering device, weak signal processing system and other parameter settings and selection
- Automatic scanning, signal amplification, A/D, data acquisition and data processing, automatic generation and display of graphic files
- A variety of formats of the data and picture backup and printout
- Multiple sets of data comparison function
- Automatic removal of coarse error, automatic calibration of system error, linearity error, cycle error and T error. Equipment Name: Thin Film Solar Cell Material Spectral Response Measurement System Equipment No.: HIK-CBT-5 Technical Parameters
Ø Spectral measurement range: 200-1100nm
Ø Measurement Repeatability: ≤3% (main wavelength position)
Ø Light source: Highly stable, high-output energy xenon lamp light source
Ø Standard detector calibrated by the national level measurement unit
Ø Standard detector and detector to be measured are automatically switched
Ø Spectral responsivity curves are automatically generated
& Standard detector and detector to be measured are included in the sample chamber; Standard detector and detector to be measured are automatically switched
& Spectral responsivity curves are automatically generated
& Standard detector is automatically switched between standard detector and detector to be measured. Oslash; The sample chamber contains a standard sample holder, a solid sample holder and a liquid electrolytic cell sample holder
Ø The solar photovoltaic device under test can be an inorganic crystal, an organic sample, a solid or a solid, and a bias voltage can be added, etc. Equipment Name: Portable Solar Cell Tester Equipment No.: HIK-FD-1 (1) System Introduction
In order to meet the requirements of solar modules / arrays in the field for testing, we have designed and manufactured the use of natural light source for testing portable solar cell tester, which has more than the indoor simulation test is accurate, stable, reliable and real results, to achieve all the solar energy products I-V characteristics of the field test, can be designed for the solar energy power station, maintenance, acceptance, provide data protection, so it is the quality inspection It can provide data protection for the design, maintenance and acceptance of solar power plants, and is therefore a necessary testing tool for quality inspection departments, manufacturers and scientific research units.
(3)Product Function
Measuring the open circuit voltage, short circuit current, maximum power, maximum power point voltage, maximum power point current, fill factor and conversion efficiency of PV arrays and modules under standard test conditions (STC) is designed with ARM technology, and is a unique low-power electronic load, which only requires battery power supply, and can be used away from the 220V grid and laptop computers. It is suitable for field testing. Test data: Isc, Voc, Ipm, Vpm, Pm, FF, Eff display curve: I-V curve, P curve with temperature correction, compensation function, the range: -20 - +80, precision 0.1 with light intensity correction, compensation function, light intensity ≥ 80mw/cm² with data, curve storage, printing and test data analysis functions Windows operating system.
(4) Technical parameters
Ø solar irradiance: number of channels: 1 way; range: 0 ~ 2000W; precision: less than 5%; display resolution: 1W;
Ø wind speed: number of channels: 1 way; range: 0 ~ 60 m / s; precision: ± 0.3 m / s; display Resolution:0.1m/s;
Ø Temperature: (solar cell temperature 1 way, ambient temperature 1 way) Number of channels:2 way Range:-50～80℃; Precision:±0.2℃; Display resolution:0.1℃; Structure: fully sealed structure, moisture-proof, waterproof, paste the battery surface;
Ø Voltage/current interface (connecting to the measured voltage/current). Voltage/current interface (connected to the component under test): Component/array power: 10W-300W Non-repeatability of measured power ±0.5% (under constant light intensity and constant temperature) Voltage: (25-350)V; Current: (2-30)A Precision: less than 0.5%; Display resolution: 0.001V;
& Oslash; Data storage capacity: 6000 items, the storage content is the average value of the data in the set time.
& ;Oslash; Power supply system: AC 220V or DC 12V;
& ;Oslash; Communication interface: standard RS232/USB interface, wired connection with the management microcomputer, real-time transmission of the collected data;
& ;Oslash; Management microcomputer and software: HIK-FD-1 type Solar power generation test system management software can be run in WINDOWS200 or above environment, real-time display of the data of each channel, updated every 1 second, the data is automatically stored (storage time can be set), connected to the printer to automatically print the stored data, data storage format, EXCEL standard format, the formation of the I-V curve, which can be used by other software calls. The I-V curve can be used by other software to analyze.
Ø HIK-FD-1 solar power test system data collector. The collector uses a high-performance microprocessor as the main control CPU, large-capacity data memory. The test is realized by the electronic load in the machine from the open circuit to the short circuit of the component under test, and its electronic load circuit adopts the transient steady state operation mode of voltage control and capacitance retention. The output of the electronic load follows a control voltage, which is output by the D/A conversion circuit from the set data stored in the EPROM. The voltage step is determined by testing out the open circuit voltage of the component. The method of determining the voltage step can realize the automatic identification of different models of components, so that the test points form a reasonable distribution on the I-V characteristic curve. The tester can give real-time test data of open-circuit voltage, short-circuit current, optimal working point, filling factor and light intensity of the tested components. The tester automatically stores the test results, industrial control standard design, portable shockproof structure, large Chinese character LCD display (a screen display multiple monitoring elements, instead of microcomputer), light touch membrane keys. Suitable for use in harsh industrial environments. With power failure protection, when the AC power failure, powered by rechargeable batteries, can be maintained for more than 8 hours, both with the microcomputer at the same time monitoring, but also disconnect the microcomputer independent monitoring.
Ø display mode: large screen LCD Chinese character and graphic display, a screen display multi-channel data, LCD size: 115 * 65 (mm);
Ø the recorder has an advanced light-touch membrane keys, easy to operate, to achieve real-time observation of the various channels of data;
&. Oslash; Instrument size: 340*150*300 (mm); Weight: 6.5Kg, metal casing;
(5) System Components No. Name Quantity Unit 1 Solar Total Radiation Meter 1 unit 2 Digital Wind Speed Sensor 1 unit 3 Temperature Sensor (Solar Battery, Rechargeable Battery) 1 unit 4 Ambient Temperature Sensor (with Radiation Ventilation Cover) 1 unit 5 Portable Solar Solar battery tester 1 unit 6 Solar battery I-V test software 1 set 7 bracket (2 meters stainless steel) + carrying case (1) 1 unit 8 data communication lines, sensor cables (10 meters / root) 1 set Equipment Name: Multi-function solar cell integrated characteristics tester Equipment No.: HIK-SCT-1 Solar battery characteristics of the test is a physics, materials science, microelectronics, Optoelectronics, a basic experimental program. Through this experimental program, students can not only get good training in experimental skills, but also to solid state physics, semiconductor physics and other related disciplines of theoretical knowledge more in-depth understanding.
Experiments available
1, open-circuit voltage Uoc, closed-circuit current Isc test;
2, dark conditions I-V characteristics test, light conditions I-V characteristics test;
3, solar cell spectral response characteristics test;
4, calculating the Filling factor FF;
5, solar cell temperature characterization test.
Main technical characteristics
1, the use of high-pressure xenon lamp as a light source, and the spectral characteristics of sunlight close to the ordinary incandescent light source and the solar spectrum deviation;
2, the use of high-quality xenon lamp power supply, ripple is small, to ensure that the light source characteristics of the stability of the high level of light source, and the ordinary incandescent lamp light source, by the utility power supply voltage factor, the energy output fluctuations;
3, the use of high quality xenon lamp power supply, small ripples, to ensure that the light source characteristics of the stability of high;
3, the use of real commercial solar cells, light area, high output power, signal-to-noise ratio, test error is small;
4, configure the temperature expansion module, the study of the temperature on the characteristics of the solar cell, and effectively control the temperature drift;
5, configure the data acquisition instrument, can be connected to the computer, data measurement and analysis.
Main technical specifications
1, the use of 150W high-pressure xenon lamp as a light source, the configuration of the lens beam collimation design, in order to achieve the parallel light uniform incidence conditions;
2, the configuration of a group of five kinds of filters, the study of the solar cell spectral response characteristics;
3, the use of high-quality commercial solar panels, the open-circuit voltage of not less than 4V, closed-circuit current Not less than 15mA, the effective area of up to 500mm2;
4, adjustable resistor load range 0 ~ 1111K, resistance resolution of 1Ω;
5, adjustable DC power supply, the output voltage range of 0 ~ 30V, the minimum resolution of 0.1V;
6, two 4 ? digital multimeter (experiments must be, but optional);
7, optional expansion modules are: solar cell temperature control device, data acquisition instrument, optical power meter and so on.