Composition that enhances deep cycle performance of valve-regulated lead-acid batteries filled with gel electrolyte
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-004/14
H01M-004/62
H01M-010/12
H01M-004/02
출원번호
US-0664726
(2012-10-31)
등록번호
US-10014520
(2018-07-03)
발명자
/ 주소
Yaegashi, Satoru
Niepraschk, Harald
Sielemann, Olaf
출원인 / 주소
EXIDE TECHNOLOGIES GMBH
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
15
초록▼
Disclosed herein is a composition for use in a negative active material in a valve regulated lead-acid battery, including a carbon material having a BET surface area from 150 m2/g to 2000 m2/g and having a D90-value greater than 5 μm with the amount of carbon material ranging from 0.1 wt % to 1.5 wt
Disclosed herein is a composition for use in a negative active material in a valve regulated lead-acid battery, including a carbon material having a BET surface area from 150 m2/g to 2000 m2/g and having a D90-value greater than 5 μm with the amount of carbon material ranging from 0.1 wt % to 1.5 wt % based on the total weight of the composition. Also disclosed herein is a valve regulated lead-acid battery, including a positive plate, a negative plate, a separator, and an electrolyte disposed in a container with a valve, the negative plate including a substrate of lead or a lead alloy and a negative active material of a composition including a carbon material having a BET surface area from 150 m2/g to 2000 m2/g and having a D90-value greater than 5 μm, the amount of carbon material ranging from 0.1 wt % to 1.5 wt % based on the total weight of the composition.
대표청구항▼
1. A composition for use in a negative active material in a valve regulated lead-acid battery, comprising: a carbon material having a BET surface area from 150 m2/g to 2000 m2/g and having a D90-value greater than 5 μm;wherein the amount of carbon material ranges from 0.1 wt % to 1.5 wt % based on t
1. A composition for use in a negative active material in a valve regulated lead-acid battery, comprising: a carbon material having a BET surface area from 150 m2/g to 2000 m2/g and having a D90-value greater than 5 μm;wherein the amount of carbon material ranges from 0.1 wt % to 1.5 wt % based on the total weight of the composition. 2. The composition of claim 1, wherein the carbon material comprises an activated carbon, an amorphous carbon, a carbon black, a graphite, a carbon fiber, or a combination thereof. 3. The composition of claim 1, wherein the carbon material comprises an activated carbon, a graphite, a carbon fiber, or a combination thereof. 4. The composition of claim 1, wherein the BET surface area ranges from 150 m2/g to 1500 m2/g. 5. The composition of claim 1, wherein the BET surface area ranges from 200 m2/g to 1500 m2/g. 6. The composition of claim 1, wherein the D90-value ranges from 5 μm to 2000 μm. 7. The composition of claim 1, wherein the D90-value ranges from 5 μm to 100 μm. 8. The composition of claim 1, wherein the D90-value ranges from 5 μm to 50 μm. 9. The composition of claim 1, wherein the amount of carbon material ranges from 0.1 wt % to 1.2 wt % based on the total weight of the composition. 10. The composition of claim 1, wherein the amount of carbon material ranges from 0.2 wt % to 1.0 wt % based on the total weight of the composition. 11. A valve regulated lead-acid battery, comprising: a positive plate, a negative plate, a separator, and an electrolyte disposed in a container comprising a valve,wherein the negative plate comprisesa substrate comprising lead or a lead alloy anda negative active material comprised of a composition comprising a carbon material having a BET surface area from 150 m2/g to 2000 m2/g and having a D90-value greater than 5 μm;wherein the amount of carbon material ranges from 0.1 wt % to 1.5 wt % based on the total weight of the composition. 12. The battery of claim 11, wherein the carbon material comprises an activated carbon, an amorphous carbon, a carbon black, a graphite, a carbon fiber, or a combination thereof. 13. The battery of claim 11, wherein the carbon material comprises an activated carbon, a graphite, a carbon fiber, or a combination thereof. 14. The battery of claim 11, wherein the BET surface area ranges from 150 m2/g to 1500 m2/g. 15. The battery of claim 11, wherein the BET surface area ranges from 200 m2/g to 1500 m2/g. 16. The battery of claim 11, wherein the D90-value ranges from 5 μm to 2000 μm. 17. The battery of claim 11, wherein the D90-value ranges from 5 μm to 100 μm. 18. The battery of claim 11, wherein the D90-value ranges from 5 μm to 50 μm. 19. The battery of claim 11, wherein the amount of carbon material ranges from 0.1 wt % to 1.2 wt % based on the total weight of the composition. 20. The battery of claim 11, wherein the amount of carbon material ranges from 0.2 wt % to 1.0 wt % based on the total weight of the composition.
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이 특허에 인용된 특허 (15)
Jagannathan, Sudhakar; Garcia, Melchor Fernandez, Advanced graphite additive for enhanced cycle-life of lead-acid batteries.
Szymborski Joseph (Bartlett IL) Misra Sudhansu S. (Hoffman Estates IL) Eggers Mark L. (Lake In The Hills IL) Burrows Brian W. (Rolling Meadows IL), Sealed deep cycle lead acid battery.
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