CN115233238A - Combined system comprising SOEC unit - Google Patents

Combined system comprising SOEC unit Download PDF

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Publication number
CN115233238A
CN115233238A CN202210876539.8A CN202210876539A CN115233238A CN 115233238 A CN115233238 A CN 115233238A CN 202210876539 A CN202210876539 A CN 202210876539A CN 115233238 A CN115233238 A CN 115233238A
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CN
China
Prior art keywords
unit
soec
module
fuel
sofc
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.)
Pending
Application number
CN202210876539.8A
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Chinese (zh)
Inventor
蒋学鑫
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.)
Anhui Estone Material Technology Co ltd
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Anhui Estone Material Technology Co ltd
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Publication date
Application filed by Anhui Estone Material Technology Co ltd filed Critical Anhui Estone Material Technology Co ltd
Priority to CN202210876539.8A priority Critical patent/CN115233238A/en
Publication of CN115233238A publication Critical patent/CN115233238A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C25B1/042—Hydrogen or oxygen by electrolysis of water by electrolysis of steam
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
    • C07C1/0405—Apparatus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
    • C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
    • C07C29/1516—Multisteps
    • C07C29/1518—Multisteps one step being the formation of initial mixture of carbon oxides and hydrogen for synthesis
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/23—Carbon monoxide or syngas
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

The invention belongs to the technical field of carbon neutralization, and particularly relates to a combined system comprising an SOEC unit, which comprises CO generation 2 With a mechanism, a control unit, an SOEC unit, said control unit being associated with the generation of CO, respectively 2 Is electrically connected to the SOEC unit, the CO is generated 2 Is connected to the SOEC unit. The beneficial effects of the invention are: 1. the invention not only solves the problem of CO emission of SOFC 2 While being capable of converting CO 2 Is converted into a chemical substance. 2 because the system has small volume and flexible layout, the system can be used in coal mines, power plants, alcohol plants, oil refineries, residential areas and other scenes.

Description

Combined system comprising SOEC unit
Technical Field
The invention belongs to the technical field of carbon neutralization, and particularly relates to a combined system comprising an SOEC unit.
Background
CO in the earth's atmosphere due to the long-term dependence of mankind on fossil energy 2 The concentration is constantly rising, causing serious environmental problems. In order to cope with climate change, major countries in the world, including china, have proposed a policy related to "carbon neutralization". Although green electricity such as nuclear power, wind power, hydroelectric power, photovoltaic power and the like is continuously developed, thermal power generation by using combustibles such as coal, garbage and the like is still the main mode, and CO is inevitably generated 2 And (5) discharging. In addition, the load of the thermal power plant changes due to the fact that peak and valley exist in the power utilization, and the power generation load needs to be adjusted down at night.
Disclosure of Invention
To solve the above problems, the present invention provides a combined system including an SOEC unit capable of generating electricity while CO is being generated 2 Converting into useful chemical substances, reducing carbon emission, and realizing peak clipping and valley filling through energy storage.
The invention provides the following technical scheme:
a combined use system including an SOEC unit includes generating CO 2 A control unit, and an SOEC unit, the control unit respectively corresponding to the CO generation 2 Is electrically connected to the SOEC unit, the CO is generated 2 Is connected to the SOEC unit.
Preferably, said CO production 2 Includes a fuel supply unit and a power generation and CO generation unit using the fuel 2 The combined system further comprising a water vapor supply unit, the SOEC unit comprising CO electrolysis 2 To obtain CO and O 2 The SOEC unit further comprises obtaining H by electrolyzing water vapor 2 And O 2 The water vapor supply unit ofThe first SOEC module, the second SOEC module, the fuel supply unit and the SOFC unit are respectively and electrically connected with the control unit, the water vapor supply unit is connected with the second SOEC module, and the SOFC unit is connected with the first SOEC module.
Preferably, said CO production 2 The combined system further comprises a water vapor supply unit, and the SOEC unit comprises a unit for supplying CO by electrolysis 2 To obtain CO and O 2 The SOEC unit further comprises obtaining H by electrolyzing water vapor 2 And O 2 The steam supply unit, the first SOEC module, the second SOEC module and the thermal power plant are respectively and electrically connected with the control unit, the steam supply unit is connected with the second SOEC module, and the thermal power plant is connected with the first SOEC module.
Preferably, the combination system further comprises CO and H 2 And the carbon-containing compound preparation unit is catalytically converted into carbon-containing compounds and is respectively connected with the first SOEC module and the second SOEC module, and the carbon-containing compound preparation unit is also electrically connected with the control unit.
Preferably, the first SOEC module and the second SOEC module are connected with the SOFC unit for connecting O 2 Back into the SOFC unit.
Preferably, the combined system further comprises a fuel pretreatment unit for removing impurities from the fuel, wherein an inlet of the fuel pretreatment unit is connected to the fuel supply unit, and an outlet of the fuel pretreatment unit is connected to the SOFC unit.
Preferably, the fuel in the fuel supply unit is at least one of natural gas, coal gas, biomass gas, methane and methanol.
Preferably, the SOFC unit is at least one of a tubular pile and a flat pile.
Preferably, the single cell structure in the SOFC and SOEC unit is at least one of an anode support, an electrolyte support, a cathode support, and a metal support.
Preferably, the cathode material used in the SOEC unit is at least one of a cermet base, a perovskite base (LSCrM-LSCrF, strontium titanate-LST base, LSF base, SFM base, etc.), and a cerium oxide base.
The invention has the beneficial effects that:
1. the invention not only solves the problem of CO in the combustion process of SOFC or other carbon-containing substances 2 Emission problem while being able to remove CO 2 To other carbon-containing compounds of higher chemical energy.
1. The system has small volume and flexible layout, and can be used in coal mines, power plants, alcohol plants, oil refineries, residential areas and other scenes.
3. The invention solves the problem of CO emission of thermal power plants 2 To a problem of (a).
4. The surplus electric energy in the power utilization valley period is converted into chemical energy to be stored, so that the peak clipping and valley leveling of the electric power are realized.
Drawings
FIG. 1 is a structural view corresponding to embodiment 2;
FIG. 2 is a structural view corresponding to embodiment 4;
FIG. 3 is a structural view corresponding to embodiment 5;
FIG. 4 is a structural view corresponding to embodiment 6;
fig. 5 is a structural diagram corresponding to embodiment 7.
The designations in the drawings have the following meanings:
1-fuel supply unit 2-control unit 3-SOFC unit 4-SOEC unit 41-first SOEC module 42-second SOEC module 5-CO collection system 6-fuel pretreatment unit 7-steam supply unit 8-unit for producing carbonaceous compounds 9-thermal power plant.
Detailed Description
The present invention will be described in detail with reference to the following examples.
The SOFC is a solid oxide fuel cell, the SOEC is a solid oxide electrolytic cell, and devices related to the invention, such as a fuel supply unit, a control unit, an SOEC unit and the like, are not particularly described, are all available in the prior art and are purchased from the market, and as for specific models, a person skilled in the art can select a suitable model according to a specific use scene.
Example 1
A combined system comprising an SOFC unit comprises a fuel supply unit 1, a control unit 2, an SOFC unit 3, an SOEC unit 4 and a CO collection system 5, wherein the control unit 2 is respectively electrically connected with the fuel supply unit 1, the SOFC unit 3 and the SOEC unit 4, the fuel supply unit 1, the SOFC unit 3 and the SOEC unit 4 are sequentially connected, under the management of the control unit, the fuel supply unit 1 supplies carbon-containing fuel to the SOFC unit 3, and CO generated by the SOFC unit 3 generates electricity 2 Electrolytic generation of CO and O in SOEC unit 4 2 ，O 2 Is returned to the SOFC unit 3 via a pipe for make-up of oxidant and CO is fed to the CO collection system 5.
The fuel in the fuel supply unit in the present embodiment is natural gas; the SOFC unit 3 is a tubular pile; the cathode material used for SOEC cell 4 is a cermet based material.
Example 2
The present embodiment differs from embodiment 1 in that: the combined system of the embodiment further comprises a fuel pre-treatment unit 6 for removing impurities and/or reforming and/or purifying the fuel, the inlet of the fuel pre-treatment unit 6 being connected to the fuel supply unit 1 and the outlet of the fuel pre-treatment unit 6 being connected to the SOFC unit 3.
Example 3
A combined system comprising an SOEC unit comprises a fuel supply unit 1, a control unit 2, an SOFC unit 3, an SOEC unit 4 and a water vapor supply unit 7, wherein the SOEC unit 4 comprises a first SOEC module 41 and a second SOEC module 42, the control unit 2 is respectively electrically connected with the fuel supply unit 1, the SOFC unit 3, the first SOEC module 41, the second SOEC module 42 and the water vapor supply unit 7, the fuel supply unit 1 is connected with the SOFC unit 3, under the management of the control unit, the fuel supply unit 1 supplies carbon-containing fuel to the SOFC unit 3, and the SOFC unit 3 generates electricity and CO 2 The SOFC unit 3 is connected to a first SOEC module 41, the first SOEC module 41 being operated by electrolysis of CO 2 To obtain CO and O 2 The water vapor supply unit 7 is connected with a second SOEC module 42, and the second SOEC module 42 obtains H by electrolyzing water vapor 2 And O 2 。
The combination system further includes carbon bearing chemicalsThe object unit 8, the carbon compound making unit 8 is respectively connected with the first SOEC module 41 and the second SOEC module 42, the carbon compound making unit 8 is also electrically connected with the control unit 2, and CO and H 2 The carbon-containing compound enters the carbon-containing compound preparation unit 8 to be catalytically converted into carbon-containing compounds, and products containing carbon and hydrogen elements, such as CH4, methanol, ethanol, ethylene and the like, in different proportions can be obtained by different catalysts and reaction conditions.
First SOEC module 41, second SOEC module 42 are connected to SOFC unit 3 for O 2 Back into the SOFC unit 3 for use as an oxidant.
In the embodiment, the fuel in the fuel supply unit is coal gas; the SOFC unit 3 is a flat plate type electric pile; the cathode material used for the SOEC cell 4 is SFM based.
Example 4
The present embodiment differs from embodiment 3 in that: the combined system of the embodiment further comprises a fuel pre-treatment unit 6 for removing impurities and/or reforming and/or purifying the fuel, the inlet of the fuel pre-treatment unit 6 being connected to the fuel supply unit 1 and the outlet of the fuel pre-treatment unit 6 being connected to the SOFC unit 3.
Example 5
A combined system comprising an SOEC unit comprises a thermal power plant 9, a control unit 2, an SOEC unit 4 and a CO collection system 5, wherein the control unit 2 is respectively electrically connected with the thermal power plant 9 and the SOEC unit 4, the thermal power plant 9 is connected with the SOEC unit 4, and CO generated by power generation of the thermal power plant is managed by the control unit 2 Electrolytic generation of CO and O in SOEC unit 4 2 The CO is fed to a CO collection system 5.
The cathode material used in the SOEC cell 4 in this example is a cermet based material.
Example 6
A combined system comprising an SOEC unit comprises a thermal power plant 9, a control unit 2, an SOEC unit 4 and a water vapor supply unit 7, wherein the SOEC unit 4 comprises a first SOEC module 41 and a second SOEC module 42, the control unit 2 is respectively and electrically connected with the thermal power plant 9, the first SOEC module 41, the second SOEC module 42 and the water vapor supply unit 7, and under the management of the control unit 2, the thermal power plant generates electricity and generates CO 2 Said thermal power plant 9 being connected to a first SOEC module 41, the first SOEC module 41 being operated by electrolysis of CO 2 To obtain CO and O 2 The steam supply unit 7 is connected with a second SOEC module 42, and the second SOEC module 42 obtains H by electrolyzing the steam 2 And O 2 。
The combined system also comprises a carbon compound production unit 8, the carbon compound production unit 8 is respectively connected with the first SOEC module 41 and the second SOEC module 42, the carbon compound production unit 8 is also electrically connected with the control unit 2, and CO and H 2 The carbon-containing compound enters the carbon-containing compound preparation unit 8 and is converted into carbon-containing compounds through catalysis, and products containing carbon and hydrogen elements, such as CH4, methanol, ethanol, ethylene and the like, in different proportions can be obtained through different catalysts and reaction conditions.
The cathode material used in the SOEC cell 4 in this example is SFM based.
At night, the load of the thermal power plant 1 is reduced, redundant electric energy can be converted into chemical energy through the system for storage, and the peak clipping and valley leveling of electric power are realized.
Example 7
A combined system comprising an SOEC unit comprises a thermal power plant 9, a control unit 2, an SOEC unit 4 and a water vapor supply unit 7, wherein the control unit 2 is respectively electrically connected with the thermal power plant 9, the SOEC unit 4 and the water vapor supply unit 7, and under the management of the control unit 2, the thermal power plant generates electricity and generates CO 2 Said thermal power plant 9 being connected to an SOEC unit 4, SOEC unit 4 being operated by electrolysis of CO 2 To obtain CO and O 2 The steam supply unit 7 is connected with the SOEC unit 4, and the SOEC unit 4 obtains H by electrolyzing the steam 2 And O2, water vapor and carbon dioxide can jointly enter the SOEC to be subjected to co-electrolysis.
The combined system also comprises a carbon compound preparation unit 8, the carbon compound preparation unit 8 is connected with the SOEC unit 4, the carbon compound preparation unit 8 is also electrically connected with the control unit 2, and CO and H 2 The carbon-containing compound enters the carbon-containing compound preparation unit 8 and is converted into carbon-containing compounds through catalysis, and products containing carbon and hydrogen elements such as CH4, methanol, ethanol, ethylene and the like in different proportions can be obtained through different catalysts and reaction conditions.
The cathode material used in the SOEC cell 4 in this example is SFM based.
At night, the load of the thermal power plant 1 is reduced, redundant electric energy can be converted into chemical energy through the system for storage, and the peak clipping and valley leveling of electric power are realized.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A combined use system comprising an SOEC unit, comprising CO generation 2 A control unit (2), an SOEC unit (4), the control unit (2) and the CO generation unit (4) respectively 2 Is electrically connected to the SOEC unit (4), said CO being produced 2 Is connected with the SOEC unit (4).
2. A combined system comprising an SOEC unit according to claim 1, in which the CO generation is carried out 2 Comprises a fuel supply unit (1) and a power generation unit for generating CO by using the fuel 2 Further comprising a water vapour supply unit (7), said SOEC unit (4) comprising a CO electrolysis unit (3) 2 To obtain CO and O 2 The SOEC unit (4) further comprises a first SOEC module (41) for obtaining H by electrolyzing water vapor 2 And O 2 The water vapor supply unit (7), the first SOEC module (41), the second SOEC module (42), the fuel supply unit (1), and the SOFC unit (3) are electrically connected to the control unit (2), the water vapor supply unit (7) is connected to the second SOEC module (42), and the SOFC unit (3) is connected to the first SOEC module (41).
3. A combined system comprising an SOEC unit according to claim 1, in which the CO generation is carried out 2 Comprises a thermal power plant (9), said combined system further comprising a water vapor supply unit (7), said SOEC unit (4) comprising a CO electrolysis unit 2 To obtain CO and O 2 The SOEC unit (4) further comprises a first SOEC module (41) for obtaining H by electrolyzing water vapor 2 And O 2 The water vapor supply unit (7), the first SOEC module (41), the second SOEC module (42) and the thermal power plant (9) are respectively and electrically connected with the control unit (2), the water vapor supply unit (7) is connected with the second SOEC module (42), and the thermal power plant (1) is connected with the first SOEC module (41).
4. A combination system comprising an SOEC unit according to claim 2 or 3, characterized in that the combination system further comprises a CO, H 2 A carbon-containing compound preparation unit (8) which is catalytically converted into carbon-containing compounds, wherein the carbon-containing compound preparation unit (8) is respectively connected with the first SOEC module (41) and the second SOEC module (42), and the carbon-containing compound preparation unit (8) is also electrically connected with the control unit (2).
5. A combined system comprising SOEC units according to claim 2, characterized in that the first (41) and second SOEC modules (42) are connected to the SOFC unit (3) for O 2 Back to the SOFC unit (3).
6. A combined system comprising an SOEC unit according to claim 2, characterized in that it further comprises a fuel pre-treatment unit (6) for the removal of impurities and/or reforming and/or purification of the fuel, the inlet of the fuel pre-treatment unit (6) being connected to the fuel supply unit (1) and the outlet of the fuel pre-treatment unit (6) being connected to the SOFC unit (3).
7. A combined system comprising an SOEC unit according to claim 4, characterized in that the fuel in the fuel supply unit (1) is at least one of natural gas, coal gas, biomass gas, methane, methanol.
8. A combined system comprising an SOEC unit according to claim 4, characterized in that the SOFC unit (3) is at least one of a tubular pile, a flat plate pile.
9. A combined system comprising an SOEC unit according to claim 4, characterized in that the single cell structure in the SOFC unit (3), SOEC unit (4) is at least one of anode supported, electrolyte supported, cathode supported, metal supported.
10. A combined system comprising an SOEC unit according to claim 4, characterized in that the cathode material used by the SOEC unit (4) is at least one of cermet-based, perovskite-based, cerium oxide-based.
CN202210876539.8A 2022-07-25 2022-07-25 Combined system comprising SOEC unit Pending CN115233238A (en)

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Application Number Priority Date Filing Date Title
CN202210876539.8A CN115233238A (en) 2022-07-25 2022-07-25 Combined system comprising SOEC unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116526684A (en) * 2023-06-30 2023-08-01 中国科学院宁波材料技术与工程研究所 Electric energy storage device and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116526684A (en) * 2023-06-30 2023-08-01 中国科学院宁波材料技术与工程研究所 Electric energy storage device and system
CN116526684B (en) * 2023-06-30 2024-04-05 中国科学院宁波材料技术与工程研究所 Electric energy storage device and system

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