Optimised energy storage device having capacitor material on lead based negative electrode
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-004/14
H01M-004/62
H01M-010/06
H01M-010/12
H01M-004/02
출원번호
US-0531956
(2008-03-20)
등록번호
US-9666860
(2017-05-30)
우선권정보
AU-2007901466 (2007-03-20)
국제출원번호
PCT/AU2008/000405
(2008-03-20)
§371/§102 date
20100301
(20100301)
국제공개번호
WO2008/113133
(2008-09-25)
발명자
/ 주소
Lam, Lan Trieu
Furukawa, Jun
Takada, Toshimichi
Monma, Daisuke
Kanou, Tetsuya
출원인 / 주소
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
0인용 특허 :
106
초록▼
A lead-acid battery comprising: —at least one negative electrode comprising lead-based battery electrode material and at least one region of capacitor material overlying the lead-based battery electrode material, each electrode being in electrical connection to an outer terminal of the battery, and
A lead-acid battery comprising: —at least one negative electrode comprising lead-based battery electrode material and at least one region of capacitor material overlying the lead-based battery electrode material, each electrode being in electrical connection to an outer terminal of the battery, and —at least one positive lead-dioxide based battery electrode, each positive electrode being in electrical connection to a second outer terminal of the battery, —separator interleaving the facing electrodes; —electrolyte filling at least the space of the electrodes and separators wherein the capacitor material overlying the lead-based battery electrode material comprises 20-65% by weight of a high electrical conductivity carbonaceous material, 30-70% of a high specific surface area carbonaceous material, at least 0.1% lead and binder.
대표청구항▼
1. A lead-acid battery comprising: at least one negative electrode comprising lead-based battery electrode material and at least one region of capacitor material overlying the lead-based battery electrode material, each electrode being in electrical connection to an outer terminal of the battery, an
1. A lead-acid battery comprising: at least one negative electrode comprising lead-based battery electrode material and at least one region of capacitor material overlying the lead-based battery electrode material, each electrode being in electrical connection to an outer terminal of the battery, andat least one positive electrode which is a lead-dioxide based battery electrode without a capacitor material, each positive electrode being in electrical connection to a second outer terminal of the battery,separator interleaving the facing electrodeselectrolyte filling at least the space of the electrodes and separatorswherein the capacitor material overlying the lead-based battery electrode material comprises 34-65% by weight of a high electrical conductivity carbonaceous material, 35-52% of a high specific surface area carbonaceous material, at least 0.1% lead and binder, andwherein the capacitor material of each negative electrode constitutes between 1 and 15% by weight of the lead-based battery electrode material. 2. The lead-acid battery of claim 1, wherein the binder is present in an amount of between 1 and 30% by weight. 3. The lead-acid battery of claim 1, wherein the capacitor material consists of 34-65% high electrical conductivity carbonaceous material, 35-52% high specific surface area carbonaceous material, 3-40% lead, 5-20% binder and 2-10% fiber reinforcement material. 4. The lead-acid battery of claim 1, wherein a layer of capacitor material overlies all surface areas of the lead-based battery electrode material that face a positive electrode. 5. The lead-acid battery of claim 1, wherein the negative electrodes each comprise a current collector, which is coated on both faces with lead-based battery electrode material, and a layer of capacitor material overlying each face of lead-based battery electrode material that is opposite to a positive electrode. 6. The lead-acid battery of claim 1, wherein the capacitor material overlying the lead-based battery electrode material has a porosity of between 50-90%. 7. The lead-acid battery of claim 1, wherein the electrolyte is composed of sulfuric acid aqueous solution containing 0.01-0.3 mol/L of aluminum or 5-50 g/L of Al2(SO4)3.18H2O. 8. The lead-acid battery of claim 1, which is a valve regulated lead acid battery. 9. The lead-acid battery of claim 8, further comprising absorptive glass microfibre or absorbed glass mat separators between adjacent electrodes. 10. The lead-acid battery of claim 8, wherein the battery has a pressure on the electrodes of between 20 and 100 kPa. 11. The lead-acid battery of claim 8, which is operable at between 95-50% SoC. 12. The lead-acid battery of claim 1, which is a flooded electrolyte lead-acid battery. 13. The lead-acid battery of claim 12, wherein the battery has a pressure on the electrodes of between 5 and 45 kPa. 14. The lead-acid battery of claim 12, wherein the separators are interleaving the facing electrodes porous polymer separators. 15. The lead-acid battery of claim 14, wherein the porous polymer separators further comprise unwoven fibrous material reinforcement. 16. The lead-acid battery of claim 12, which is operable at between 98-80% SoC. 17. An automobile comprising a lead-acid battery of claim 12, an internal combustion engine and an alternator. 18. A lead-acid battery comprising: at least one negative electrode comprising lead-based battery electrode material and at least one region of capacitor material overlying the lead-based battery electrode material, each electrode being in electrical connection to an outer terminal of the battery, andat least one positive lead-dioxide based battery electrode without a capacitor material, each positive electrode being in electrical connection to a second outer terminal of the battery,separator interleaving the facing electrodeselectrolyte filling at least the space of the electrodes and separatorswherein the capacitor material overlying the lead-based battery electrode material comprises 34-65% by weight of a high electrical conductivity carbonaceous material, 35-52% of a high specific surface area carbonaceous material, at least 0.1% lead and binder, and a polymeric fiber reinforcement material in an amount up to 10% by weight, andwherein the capacitor material of each negative electrode constitutes between 1 and 15% by weight of the lead-based battery electrode material. 19. A lead-acid battery comprising: at least one negative electrode comprising lead-based battery electrode material and at least one region of capacitor material overlying the lead-based battery electrode material, each electrode being in electrical connection to an outer terminal of the battery, andat least one positive lead-dioxide based battery electrode without a capacitor material, each positive electrode being in electrical connection to a second outer terminal of the battery,separator interleaving the facing electrodeselectrolyte filling at least the space of the electrodes and separatorswherein the capacitor material overlying the lead-based battery electrode material comprises 34-65% by weight of a high electrical conductivity carbonaceous material, 35-52% of a high specific surface area carbonaceous material, at least 0.1% lead and binder, and a non-conductive polymeric fiber reinforcement material in an amount up to 10% by weight, andwherein the capacitor material of each negative electrode constitutes between 1 and 15% by weight of the lead-based battery electrode material. 20. The lead-acid battery of claim 1, wherein the capacitor material of each negative electrode constitutes between 5 and 10% by weight of the lead-based battery electrode material. 21. The lead-acid battery of claim 1, wherein the positive electrode comprises a positive current collector, formed from a lead alloy comprising 0.005-0.15% by weight Ba, 0.03-0.08% by weight Ca, 0.4-2.2% by weight Sn, and lead. 22. The lead-acid battery of claim 18, wherein the capacitor material of each negative electrode constitutes between 5 and 10% by weight of the lead-based battery electrode material. 23. The lead-acid battery of claim 19, wherein the capacitor material of each negative electrode constitutes between 5 and 10% by weight of the lead-based battery electrode material. 24. The lead-acid battery of claim 19, wherein the positive electrode comprises a positive current collector, formed from a lead alloy comprising 0.005-0.15% by weight Ba, 0.03-0.08% by weight Ca, 0.4-2.2% by weight Sn, and lead. 25. The lead-acid battery of claim 21, wherein lead constitutes the balance of the lead alloy.
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