Electrode material, preparation method thereof and supercapacitor based thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Jan 14, 2013
filing date -
Aug 28, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The disclosure discloses electrode material, preparation methods thereof and supercapacitors based thereof. Raw material for preparing the electrode material include PVDF and an additive which can be reacted with the PVDF to generate conductive active substance, the amount of the PVDF is 50 to 99 mass percentage, and the amount of the additive is 1 to 50 mass percentage. A PVDF-based composite film can be prepared from the raw materials; and activating treatment is performed on the film by virtue of a physico-chemical process, so that PVDF can generate a conductive active substance, the contact resistance of the PVDF and the active substance is reduced, and the conductive active substance is distributed in the PVDF-based composite film more uniformly. Button and wound supercapacitor and flexible capacitor, which are prepared from the electrode material, are high in power density and energy density, long in cycle life.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SICHUAN UNIVERSITY | NO 24 SOUTH SECTION 1 YIHUAN ROAD WUHOU DISTRICT CHENGDU SICHUAN |
International Classification(s)

- 2013 Application Filing Year
- H01G Class
- 998 Applications Filed
- 904 Patents Issued To-Date
- 90.59 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Sun, Ping | Sichuan, CN | 61 | 250 |
# of filed Patents : 61 Total Citations : 250 | |||
Wang, Qingyuan | Sichuan, CN | 15 | 21 |
# of filed Patents : 15 Total Citations : 21 | |||
Wang, Zhongxing | Sichuan, CN | 29 | 18 |
# of filed Patents : 29 Total Citations : 18 | |||
Zeng, Zifan | Sichuan, CN | 2 | 1 |
# of filed Patents : 2 Total Citations : 1 | |||
Zhu, Jiliang | Sichuan, CN | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Zhu, Juncheng | Sichuan, CN | 3 | 1 |
# of filed Patents : 3 Total Citations : 1 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- H01G Class
- 18.57 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 15, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 15, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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Legal Events
Date | Code | Event | Description |
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Jul 15, 2013 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jun 14, 2013 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Jun 14, 2013 |
Jun 14, 2013 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Jan 28, 2013 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Nov 13, 2008 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 06, 2005 | CC | CERTIFICATE OF CORRECTION | |
Jun 14, 2005 | I | Issuance | |
Oct 31, 2004 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jun 07, 2000 | F | Filing | |
Sep 25, 1998 | PD | Priority Date |

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