Lithium Ion Capacitor
US-2015371788-A1 · Dec 24, 2015 · US
Positive electrode for lithium ion capacitor and lithium ion capacitor using the same
US2016336118A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016336118-A1 |
| Application number | US-201515110485-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 8, 2015 |
| Priority date | Jan 9, 2014 |
| Publication date | Nov 17, 2016 |
| Grant date | — |
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Abstract
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A positive electrode for a lithium ion capacitor includes a positive electrode current collector with a three-dimensional network structure and a positive electrode mixture which contains a positive electrode active material and with which the positive electrode current collector is filled. The positive electrode current collector contains aluminum or an aluminum alloy. The positive electrode active material contains a porous carbon material that reversibly carries at least an anion. The positive electrode has an active material density of 350 to 1000 mg/cm 3 .
First claim
Opening claim text (preview).
1 . A positive electrode for a lithium ion capacitor, comprising a positive electrode current collector with a three-dimensional network structure and a positive electrode mixture which contains a positive electrode active material and with which the positive electrode current collector is filled, wherein the positive electrode current collector contains aluminum or an aluminum alloy, the positive electrode active material contains a porous carbon material that reversibly carries at least an anion, and the positive electrode has an active material density of 350 to 1000 mg/cm 3 . 2 . The positive electrode for a lithium ion capacitor according to claim 1 , wherein the positive electrode current collector has a hollow skeleton. 3 . The positive electrode for a lithium ion capacitor according to claim 1 , wherein the porous carbon material is activated carbon. 4 . The positive electrode for a lithium ion capacitor according to claim 1 , wherein the positive electrode has an active material density of 600 to 1000 mg/cm 3 . 5 . The positive electrode for a lithium ion capacitor according to claim 1 , wherein the positive electrode has a thickness of 100 to 2000 μm. 6 . The positive electrode for a lithium ion capacitor according to claim 1 , wherein the positive electrode current collector has a weight per unit area of 2 to 100 mg/cm 2 , and the positive electrode current collector has a tensile strength of 0.2 MPa or more. 7 . A lithium ion capacitor comprising the positive electrode according to claim 1 , a negative electrode containing a negative electrode active material, a separator disposed between the positive electrode and the negative electrode, and a lithium ion conductive nonaqueous electrolyte.
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Classifications
characterised by their structure · CPC title
Carbon-based · CPC title
characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor · CPC title
- H01G11/06Primary
with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC] · CPC title
characterised by their material · CPC title
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- What does patent US2016336118A1 cover?
- A positive electrode for a lithium ion capacitor includes a positive electrode current collector with a three-dimensional network structure and a positive electrode mixture which contains a positive electrode active material and with which the positive electrode current collector is filled. The positive electrode current collector contains aluminum or an aluminum alloy. The positive electrode a…
- Who is the assignee on this patent?
- Sumitomo Electric Industries
- What technology area does this patent fall under?
- Primary CPC classification H01G11/06. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Nov 17 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).