CN107359860A - A kind of perovskite solar cell electron lifetime method of testing based on EIS analyses - Google Patents

A kind of perovskite solar cell electron lifetime method of testing based on EIS analyses Download PDF

Info

Publication number
CN107359860A
CN107359860A CN201710507702.2A CN201710507702A CN107359860A CN 107359860 A CN107359860 A CN 107359860A CN 201710507702 A CN201710507702 A CN 201710507702A CN 107359860 A CN107359860 A CN 107359860A
Authority
CN
China
Prior art keywords
perovskite solar
solar cell
electron lifetime
eis
solar battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710507702.2A
Other languages
Chinese (zh)
Other versions
CN107359860B (en
Inventor
潘武淳
王磊
王宁
王鼎
倪豪逸
张臻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Campus of Hohai University
Original Assignee
Changzhou Campus of Hohai University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Campus of Hohai University filed Critical Changzhou Campus of Hohai University
Priority to CN201710507702.2A priority Critical patent/CN107359860B/en
Publication of CN107359860A publication Critical patent/CN107359860A/en
Application granted granted Critical
Publication of CN107359860B publication Critical patent/CN107359860B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10Testing of PV devices, e.g. of PV modules or single PV cells
    • H02S50/15Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392Determining battery ageing or deterioration, e.g. state of health
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention discloses a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses, by applying certain Dc bias on perovskite solar cell, and disturbing signal is used as using the ac voltage signal of small amplitude, and then obtain the EIS collection of illustrative plates of perovskite solar cell, equivalent-circuit model is established by certain electronic component, analysis is fitted to the equivalent circuit of structure using Z view softwares, each component parameters in model are determined, the electron lifetime of perovskite solar cell is calculated by formula.The present invention uses EIS, reduces the infringement to cell piece, improves the precision of measurement, the life-span of electronics can be intuitively calculated by fitting result, operand is greatly reduced, improves calculating speed, has good application value.

Description

A kind of perovskite solar cell electron lifetime method of testing based on EIS analyses
Technical field
The present invention relates to a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses, belong to film device Part Charge transfer on interface field of measuring technique.
Background technology
Solar energy power generating is a kind of effective means for the energy and environment for solving the problems, such as current getting worse, nearest In several years, new perovskite solar cell obtains fast development, and its highest photoelectric transformation efficiency has reached more than 20%, although Perovskite efficiency of solar cell is constantly being lifted, but for the silion cell of current large-scale application, perovskite battery Efficiency and put goods on the market using still having much room for improvement.One of the key factor for influenceing perovskite efficiency of solar cell be electronics- Hole it is compound, a part of light induced electron can lose because of the recombination process of inside battery, and then can not form photoelectric current.Institute The key of the efficient perovskite solar cell of exploitation is turned into to study the Charge transfer on interface mechanism of light induced electron.
Electron lifetime is to describe the important parameter of Charge transfer on interface speed, and under thermal equilibrium condition, this parameter represents Electronics constantly by valence to conduction band, produces electron hole pair, and at the same time, they are again ceaselessly compound.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming prior art, there is provided a kind of calcium based on EIS analyses Titanium ore solar cell electron lifetime method of testing, realize and utilize electric transmission, transfer, compound etc. in EIS atlas analysis cell pieces Process, to characterize perovskite inside battery carrier behavior.
In order to solve the above technical problems, the present invention provides a kind of perovskite solar cell electron lifetime based on EIS analyses Method of testing, comprise the following steps:
1)Select an efficient perovskite solar battery sheet;
2)Start electrochemical workstation, apply certain Dc bias to selected perovskite solar battery sheet, and to shake Width be 10 mV -20 mV ac voltage signal as disturbing signal, test frequency is 0.1 Hz -106Hz scopes are surveyed Amount, obtains the perovskite solar battery sheet impedance spectrum;
3)Impedance spectrum is obtained to measurement to be fitted, establish equivalent-circuit model, and obtain equivalent-circuit model using ZView Component parameters;
4)According to formula τn=1/ωr=Rr*CμElectron lifetime in perovskite solar battery sheet is calculated,
According to formula τn=1/ωr=1/2πfmaxThe changing rule of electron lifetime is analyzed,
Wherein, τnFor electron lifetime, fmaxFor frequency, ω corresponding to baud figure intermediate frequency rate section peakrIt is electronics in finite layer The constant compound angular frequency of diffusion, itself and fmaxRelation be ωr=2πfmax, RrAnd CμIt is compound that different interface electronics are represented respectively Resistance and electric capacity, RrAnd CμBy step 3)Fitting obtains, ωrJudged in impedance spectrum according to characteristic peaks.
Foregoing step 1)In, select one group of efficient perovskite solar battery sheet method for:Under the same conditions, make Standby some perovskite solar battery sheets, the I-V characteristic curve of the perovskite solar battery sheet under certain illumination is tested, is calculated Obtain photoelectric transformation efficiency, fill factor, curve factor, choose photoelectric transformation efficiency and all high cell piece of fill factor, curve factor.
Foregoing step 2)In, the Dc bias applied is electric for the work of perovskite solar battery sheet different operating point Pressure.
Foregoing step 3)Concrete operations it is as follows:
3-1)Press high frequency band, mf band and low-frequency band analysis measurement result first, establish high frequency band using resistance R with Normal phase element CPE is in parallel, and middle low-frequency band uses the equivalent-circuit model of TL or G elements;
3-2)For electronic component the resistance R, normal phase element CPE and electric capacity C, using ZView softwares in equivalent-circuit model It is fitted, determines each component parameters, corresponding element is finally increased and decreased according to fitting result and then adjusts equivalent-circuit model, Optimize.
Foregoing high frequency band is 106-103Hz, mf band 103- 10 Hz, low-frequency band 10-0.1Hz.
The changing rule of foregoing electron lifetime is:The characteristic frequency f at crestmaxMoved to high frequency treatment, then τnReduce, The characteristic frequency f at crestmaxMoved to low frequency, then τnIncrease.
The beneficial effect that is reached of the present invention is:
The present invention can quickly analyze the life-span for calculating perovskite solar cell piece light induced electron using EIS collection of illustrative plates, save the time, Reliable results, contribute to the Charge transfer on interface mechanism of porous membrane in further research perovskite solar cell, for research Perovskite thin film Charge transfer on interface provides reliably characterization method, design and exploitation to efficient perovskite solar cell With great importance.
Brief description of the drawings
Fig. 1 is the flow chart of the perovskite solar cell electron lifetime method of testing based on EIS analyses of the present invention;
Fig. 2 is the perovskite solar cell test and the Nai Sikuitetu of fitting of embodiment 1;
Fig. 3 is the perovskite solar cell test and the Bode diagram of fitting of embodiment 1;
Fig. 4 is the perovskite solar cell test and the Nai Sikuitetu of fitting of embodiment 2;
Fig. 5 is the perovskite solar cell test and the Bode diagram of fitting of embodiment 2.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.Following examples are only used for more clear Illustrate to Chu technical scheme, and can not be limited the scope of the invention with this.
The method based on EIS atlas analysis perovskite solar cell electron lifetimes of the present invention, as shown in figure 1, specifically such as Under:
1)Select an efficient perovskite solar battery sheet.
2) start electrochemical workstation, apply certain Dc bias to selected perovskite solar battery sheet, and With small amplitude(10-20 mV)Ac voltage signal as disturbing signal, test frequency is from 0.1 Hz -106Hz, measure Obtain the impedance spectrum corresponding to the cell piece.Wherein, the Dc bias applied is perovskite solar battery sheet difference work Make the operating voltage of point.
3)ZView is opened, establishes equivalent circuit, obtaining impedance spectrum to measurement is fitted, and obtains the member of equivalent circuit Part parameter;Specific method is as follows:
3-1)High frequency band is pressed first(106-103Hz), mf band(103-10 Hz)And low-frequency band(10-0.1Hz)Analysis Test result, suitable electronic component such as resistance R, electric capacity C, normal phase element CPE, equivalence element TL or G etc. are selected, established High frequency band is in parallel with normal phase element CPE using resistance R, and middle low-frequency band uses the equivalent-circuit model of TL or G elements.
3-2)For electronic component the resistance R, normal phase element CPE and electric capacity C, using ZView in equivalent-circuit model Software is fitted, and determines each component parameters in equivalent-circuit model, and finally increasing and decreasing corresponding element according to fitting result enters And equivalent-circuit model is adjusted, to obtain optimal result.
4)According to formula τn=1/ωr=Rr*CμElectron lifetime in perovskite solar battery sheet is calculated, wherein, RrAnd CμIt is logical Cross step 3)Fitting obtains;
According to formula τn=1/ωr=1/2πfmaxThe changing rule of electron lifetime is analyzed, wherein, ωrAccording to spy in impedance spectrum Peak value is levied to judge.
The characteristic frequency f at crestmaxMoved to high frequency treatment, then τnReduce, the characteristic frequency f at crestmaxTo at low frequency Move, then τnIncrease.
Wherein, τnFor electron lifetime, fmaxFor frequency, ω corresponding to baud figure intermediate frequency rate section peakrHaving for electronics Limit the constant compound angular frequency of layer diffusion, itself and fmaxRelation be ωr=2πfmax, RrAnd CμDifferent interface electronics are represented respectively Combined resistance RrWith electric capacity Cμ.Rr, CμValue can pass through be fitted obtain, ωrIt can be sentenced in impedance spectrum according to characteristic peaks It is disconnected.
Embodiment 1:
High performance perovskite solar battery sheet 1 is chosen, starts electrochemical workstation, opens solar simulator(Oriel Sol3A), test and obtain in illumination(100W/cm2)Under the conditions of EIS, open Zview softwares, equivalent circuit is established, to being surveyed The impedance spectrum of examination is fitted.Concrete operations are as follows:
1)The method for choosing high performance calcium titanium ore solar battery sheet:Under the same conditions, some perovskite solar-electricities are prepared Pond piece, the I-V characteristic curve of the perovskite solar battery sheet under certain illumination is tested, its photoelectric transformation efficiency is calculated, The parameters such as fill factor, curve factor, the of a relatively high cell piece of Selecting All Parameters, are designated as battery 1.
2)The key step of EIS tests:Start ZView softwares, into impedance interface, 10mV exchange perturbation, 0mV are set Dc bias and scan frequency be 0.1 Hz -106Hz, after open-circuit voltage is stable, clicks on start and start to test.
3)The EIS obtained according to test, establishes equivalent circuit, the impedance spectrum tested is fitted, obtain equivalent The component parameters of circuit:Different interface electronics combined resistance RrWith electric capacity Cμ, according to formula τn=1/ωr=Rr*CμCalculate the electronics longevity Order τn, according to formula τn=1/ωr=1/2πfmax, the qualitative analysis Battery pack electron lifetime, fmaxFor baud figure intermediate frequency rate section most Frequency corresponding to high point.
Fit procedure is as follows:Crossover rate piecewise analysis test result first, high-frequency section use RhfAnd ChfFitting in parallel, In medium/low frequency band, for the EIS with obvious 45 ° of electrical transmission lines, it is fitted using TL equivalent-circuit components, according to fitting Numerical value, obtain parameter RrAnd CμValue be respectively 1046 Ω, 2.95E-06F, utilize formula τn=1/ωr=Rr*CμObtain electronics Life-span is 3.08E-03s, utilizes formula τn=1/ωr=1/2πfmaxAnalyze electron lifetime.
Fig. 2 is the perovskite solar cell test of the embodiment and the Nai Sikuitetu of fitting, Fig. 3 are the embodiment Perovskite solar cell test and the Bode diagram of fitting.It can be seen that fitting result is preferable, illustrate the measuring method With reliability.
Embodiment 2
High performance perovskite solar battery sheet 2 is chosen, starts electrochemical workstation, opens solar simulator(Oriel Sol3A), test and obtain in illumination(100W/cm2)Under the conditions of EIS, open Zview softwares, equivalent circuit is established, to being surveyed The impedance spectrum of examination is fitted.Concrete operations are as follows:
1)The method for choosing high performance calcium titanium ore solar battery sheet:Under the same conditions, some perovskite solar-electricities are prepared Pond piece, the I-V characteristic curve of the perovskite solar battery sheet under certain illumination is tested, its photoelectric transformation efficiency is calculated, The parameters such as fill factor, curve factor, the as of a relatively high cell piece of Selecting All Parameters, battery 2.
2)The key step of EIS tests:Start Zview softwares, into impedance interface, 10mV exchange perturbation, 0mV are set Dc bias and scan frequency be 0.1 Hz -106Hz, after open-circuit voltage is stable, clicks on start and start to test.
3)The EIS obtained according to test, establishes equivalent circuit, the impedance spectrum tested is fitted, obtain equivalent The component parameters of circuit:Different Charge transfer on interface resistance RrWith electric capacity Cμ, according to formula τn=1/ωr=Rr*CμCalculate the electronics longevity Order τn, according to formula τn=1/ωr=1/2πfmax, the qualitative analysis Battery pack electron lifetime.
Fit procedure is that crossover rate piecewise analysis test result, high-frequency section use R firsthfAnd ChfFitting in parallel, Medium/low frequency band, for the EIS with obvious 45 ° of electrical transmission lines, it is fitted using TL equivalence elements.Obtain parameter RrAnd Cμ's Value is respectively 1036 Ω, 2.14E-06F, utilizes formula τn=1/ωr=Rr*CμThe life-span for obtaining electronics is 2.22E-03s, is utilized Formula τn=1/ωr=1/2πfmaxAnalyze electron lifetime.
Fig. 4 is the perovskite solar cell test of the embodiment and the Nai Sikuitetu of fitting, Fig. 5 are the embodiment Perovskite solar cell test and the Bode diagram of fitting.It can be seen that fitting result is preferable, illustrate the measuring method With reliability.
Analysis for electron lifetime, for the frequency f of mf band peak valuemax, with reference to Fig. 3 and Fig. 5, fmax1It is less than fmax2, therefore the electron lifetime for analyzing battery 1 is higher than the electron lifetime of battery 2.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation Also it should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses, it is characterised in that including following step Suddenly:
1)Select an efficient perovskite solar battery sheet;
2)Start electrochemical workstation, apply certain Dc bias to selected perovskite solar battery sheet, and to shake Width be 10 mV -20 mV ac voltage signal as disturbing signal, test frequency is 0.1 Hz -106Hz scopes are surveyed Amount, obtains the perovskite solar battery sheet impedance spectrum;
3)Impedance spectrum is obtained to measurement to be fitted, establish equivalent-circuit model, and obtain equivalent-circuit model using ZView Component parameters;
4)According to formula τn=1/ωr=Rr*CμElectron lifetime in perovskite solar battery sheet is calculated,
According to formula τn=1/ωr=1/2πfmaxThe changing rule of electron lifetime is analyzed,
Wherein, τnFor electron lifetime, fmaxFor frequency, ω corresponding to baud figure intermediate frequency rate section peakrIt is electronics in finite layer The constant compound angular frequency of diffusion, itself and fmaxRelation be ωr=2πfmax, RrAnd CμIt is compound that different interface electronics are represented respectively Resistance and electric capacity, RrAnd CμBy step 3)Fitting obtains, ωrJudged in impedance spectrum according to characteristic peaks.
2. a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses according to claim 1, it is special Sign is, the step 1)In, select an efficient perovskite solar battery sheet method for:Under the same conditions, prepare Some perovskite solar battery sheets, the I-V characteristic curve of the perovskite solar battery sheet under certain illumination is tested, is calculated To photoelectric transformation efficiency, fill factor, curve factor, photoelectric transformation efficiency and fill factor, curve factor highest cell piece are chosen.
3. a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses according to claim 1, it is special Sign is, the step 2)In, the Dc bias applied is the operating voltage of perovskite solar battery sheet different operating point.
4. a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses according to claim 1, it is special Sign is, the step 3)Concrete operations it is as follows:
3-1)Press high frequency band, mf band and low-frequency band analysis measurement result first, establish high frequency band using resistance R with Normal phase element CPE is in parallel, and middle low-frequency band uses the equivalent-circuit model of TL or G elements;
3-2)For electronic component the resistance R, normal phase element CPE and electric capacity C, using ZView softwares in equivalent-circuit model It is fitted, determines each component parameters, corresponding element is finally increased and decreased according to fitting result and then adjusts equivalent-circuit model, Optimize.
5. a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses according to claim 4, it is special Sign is that the high frequency band is 106-103Hz, mf band 103- 10 Hz, low-frequency band 10-0.1Hz.
6. a kind of perovskite solar cell electron lifetime method of testing based on EIS analyses according to claim 1, it is special Sign is that the changing rule of the electron lifetime is:The characteristic frequency f at crestmaxMoved to high frequency treatment, then τnReduce, work as ripple Characteristic frequency f at peakmaxMoved to low frequency, then τnIncrease.
CN201710507702.2A 2017-06-28 2017-06-28 A kind of perovskite solar cell electron lifetime test method based on EIS analysis Active CN107359860B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710507702.2A CN107359860B (en) 2017-06-28 2017-06-28 A kind of perovskite solar cell electron lifetime test method based on EIS analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710507702.2A CN107359860B (en) 2017-06-28 2017-06-28 A kind of perovskite solar cell electron lifetime test method based on EIS analysis

Publications (2)

Publication Number Publication Date
CN107359860A true CN107359860A (en) 2017-11-17
CN107359860B CN107359860B (en) 2019-04-16

Family

ID=60273192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710507702.2A Active CN107359860B (en) 2017-06-28 2017-06-28 A kind of perovskite solar cell electron lifetime test method based on EIS analysis

Country Status (1)

Country Link
CN (1) CN107359860B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108804774A (en) * 2018-05-22 2018-11-13 河海大学常州校区 A method of based on electrochemical impedance spectroscopy test analysis solar cell ideal factor
WO2020064249A1 (en) * 2018-09-26 2020-04-02 Siemens Aktiengesellschaft Pv device having improved overall efficiency
EP3869687A1 (en) * 2020-02-18 2021-08-25 Siemens Aktiengesellschaft Predicting a performance value of a solar cell from electrical impedance spectroscopy measurements
CN113805067A (en) * 2021-09-28 2021-12-17 合肥恒钧检测技术有限公司 System and method for detecting battery pack parameters

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104641551A (en) * 2012-05-14 2015-05-20 莱茵技术(上海)有限公司 Photovoltaic element evaluation method, measurement system configuration and process for using a measurement system configuration
JP2016149890A (en) * 2015-02-13 2016-08-18 国立研究開発法人産業技術総合研究所 Evaluation method and evaluation device for solar cell
CN106650060A (en) * 2016-12-08 2017-05-10 国网青海省电力公司 Prediction method of internal resistance attenuation coefficient for photovoltaic cells

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104641551A (en) * 2012-05-14 2015-05-20 莱茵技术(上海)有限公司 Photovoltaic element evaluation method, measurement system configuration and process for using a measurement system configuration
JP2016149890A (en) * 2015-02-13 2016-08-18 国立研究開発法人産業技術総合研究所 Evaluation method and evaluation device for solar cell
CN106650060A (en) * 2016-12-08 2017-05-10 国网青海省电力公司 Prediction method of internal resistance attenuation coefficient for photovoltaic cells

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
毕海波: "CH3NH3PbI3-xClx钙钛矿太阳能电池的制备与优化研究", 《中国优秀硕士学位论文全文数据库》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108804774A (en) * 2018-05-22 2018-11-13 河海大学常州校区 A method of based on electrochemical impedance spectroscopy test analysis solar cell ideal factor
CN108804774B (en) * 2018-05-22 2022-02-11 河海大学常州校区 Method for analyzing ideal factor of solar cell based on electrochemical impedance spectrum test
WO2020064249A1 (en) * 2018-09-26 2020-04-02 Siemens Aktiengesellschaft Pv device having improved overall efficiency
CN112753163A (en) * 2018-09-26 2021-05-04 西门子能源全球有限两合公司 Photovoltaic device with improved overall efficiency
US11626523B2 (en) 2018-09-26 2023-04-11 Siemens Energy Global GmbH & Co. KG PV device having improved overall efficiency
CN112753163B (en) * 2018-09-26 2024-04-12 西门子能源全球有限两合公司 Photovoltaic device with improved overall efficiency
EP3869687A1 (en) * 2020-02-18 2021-08-25 Siemens Aktiengesellschaft Predicting a performance value of a solar cell from electrical impedance spectroscopy measurements
WO2021164995A1 (en) * 2020-02-18 2021-08-26 Siemens Energy Global GmbH & Co. KG Predicting a performance value of a solar cell from electrical impedance spectroscopy measurements
CN113805067A (en) * 2021-09-28 2021-12-17 合肥恒钧检测技术有限公司 System and method for detecting battery pack parameters

Also Published As

Publication number Publication date
CN107359860B (en) 2019-04-16

Similar Documents

Publication Publication Date Title
CN107359860A (en) A kind of perovskite solar cell electron lifetime method of testing based on EIS analyses
Hoshikawa et al. Impedance analysis for dye-sensitized solar cells with a three-electrode system
CN102981124B (en) Spot test method and test device for fuel cell stack membrane electrode conditions
CN102624285B (en) Control method for maximum power point tracking (MPPT) of photovoltaic array
Tripathi et al. Charge transfer and recombination kinetics in dye-sensitized solar cell using static and dynamic electrical characterization techniques
CN109449541A (en) Lithium ion battery Converting frequency & amplitude exchanges low temperature self-heating method
Dotelli et al. Diagnosis of PEM fuel cell drying and flooding based on power converter ripple
CN103018566A (en) Lithium ion battery direct current internal resistance testing method and battery screening method
CN108508067A (en) A method of evaluating the battery material of lithium ion battery using Symmetrical cells
Sarker et al. On the hysteresis of current density-voltage curves of dye-sensitized solar cells
CN104158397A (en) Integrated DC/DC convertor and electrochemical energy storage system
CN105572601A (en) Judgment method for the reason of lithium battery performance degradation
CN106099981B (en) A kind of smooth hydrogen hybrid power system power coordination control method
CN106848446A (en) A kind of method and device for detecting lithium battery micro-short circuit point
CN103063927A (en) Earth impedance detecting circuit and method of photovoltaic inverter
Song et al. Anomalous diffusion models in frequency-domain characterization of lithium-ion capacitors
CN107204480B (en) Method and system for determining electrolyte parameters of flow battery and flow battery
CN107275095A (en) A kind of compound lithium rechargeable battery that can be charged with dye sensitization of solar
CN108663568A (en) Solar module debugging and testing device and testing method thereof
Shi et al. Coupled analysis of steady-state and dynamic characteristics of dye-sensitized solar cells for determination of conduction band movement and recombination parameters
CN108181966A (en) A kind of photovoltaic MPPT control circuits and the photovoltaic multimodal MPP fast tracking methods based on voltage-power scan
CN202661605U (en) Backup battery capacity detection device of pitch-controlled system
CN103384079A (en) Method and circuit for tracking maximum power of small and medium-sized direct-driven wind power generation systems
Newell et al. Effects of DSSC configuration on power conversion efficiency
CN101887802B (en) Quasi-solid electrolyte used for dye-sensitized solar cell and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant