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    • 4. 发明申请
    • LOW RESISTANCE ULTRACAPACITOR ELECTRODE AND MANUFACTURING METHOD THEREOF
    • 低电阻超声波电极及其制造方法
    • WO2015031430A1
    • 2015-03-05
    • PCT/US2014/052824
    • 2014-08-27
    • CORNING INCORPORATED
    • GADKAREE, Kishor PurushottamKADAM, Rahul SuryakantKUMAR, Atul
    • H01G11/28H01G11/38H01G11/86
    • H01G11/38H01G11/28H01G11/34H01G11/70H01G11/78H01G11/86Y02E60/13Y02T10/7022
    • A carbon-based electrode includes activated carbon, carbon black, and a binder. The binder is fluoropolymer having a molecular weight of at least 500,000 and a fluorine content of 40 to 70 wt.%. A method of forming the carbon-based electrode includes providing a binder- less conductive carbon-coated current collector, pre-treating the carbon coating with a sodium napthalenide-based solution, and depositing onto the treated carbon coating a slurry containing activated carbon, carbon black and binder. Fluoropolymer binders such PVDF are made up of carbon atoms, hydrogen atoms and fluorine atoms. A sodium napthalenide-based etchant contains metallic sodium in solution. The sodium reacts with the fluorine of the fluoropolymer, extracting it, which leaves the molecule unbalanced. During subsequent exposure to ambient conditions, hydrogen and oxygen atoms restore the equilibrium of the molecule. This results in a carbonaceous backbone rich in functional groups that are responsible for adhesion.
    • 碳基电极包括活性炭,炭黑和粘合剂。 粘合剂是分子量至少为500,000,氟含量为40〜70重量%的含氟聚合物。 形成碳基电极的方法包括提供不含粘合剂的导电性碳涂布集电器,用萘萘胺溶液预处理碳涂层,并在处理过的碳涂层上沉积含有活性炭,碳 黑色和粘合剂。 氟聚合物粘合剂如PVDF由碳原子,氢原子和氟原子组成。 基于萘基钠的蚀刻剂在溶液中含有金属钠。 钠与含氟聚合物的氟反应,提取,使分子失衡。 在随后暴露于环境条件下,氢和氧原子恢复分子的平衡。 这导致富含官能团的碳质骨架负责粘附。
    • 8. 发明申请
    • COKE SOURCED CARBON ANODE FOR LITHIUM ION CAPACITOR
    • 用于锂离子电容器的焦炭碳阳极
    • WO2016123172A1
    • 2016-08-04
    • PCT/US2016/015041
    • 2016-01-27
    • CORNING INCORPORATED
    • GADKAREE, Kishor PurushottamKADAM, Rahul Suryakant
    • H01G11/06H01G11/24H01G11/38H01G11/42H01G11/44H01G11/50
    • H01G11/38H01G11/06H01G11/24H01G11/34H01G11/42H01G11/44H01G11/50H01G11/86Y02E60/13
    • An anode in a lithium ion capacitor, including: a carbon composition comprising: a coke sourced carbon, a conductive carbon, and a binder as defined herein; and an electrically conductive substrate supporting the carbon composition,wherein the coke sourced carbon has a disorder (D) peak to graphitic (G) peak intensity ratio by Raman analysis of from 1.25 to 1.55; a hydrogen content of from 0.01 to 0.25 wt%; a nitrogen content of from 0.03 to 0.75 wt%; and an oxygen content of from 0.05 to 2.0 wt% by elemental analysis. Further, a method of making a carbon electrode comprising the steps of grinding a coke sourced carbon to particles of from 1 to 30 micrometers, mixing the coke particles with a binder, and a solvent to form a mixture, heat treating the coke particles in the mixture at from 1000 to 1700 °C in an inert atmosphere, and applying the mixture on a conductive current collector to form the electrode.
    • 锂离子电容器中的阳极,包括:碳组合物,其包含:如本文所定义的焦炭来源的碳,导电碳和粘合剂; 和支持碳组合物的导电基材,其中焦炭来源的碳通过拉曼分析具有1.25至1.55的无序(D)峰值与石墨(G)峰强度比; 氢含量为0.01至0.25重量%; 氮含量为0.03〜0.75重量% 氧含量为0.05〜2.0重量%。 此外,制造碳电极的方法包括以下步骤:将焦炭来源于1至30微米的颗粒,将焦炭颗粒与粘合剂混合,并将溶剂与溶剂混合以形成混合物,将焦炭颗粒加热处理 混合物在惰性气氛中在1000至1700℃下,并将该混合物施加到导电集电器上以形成电极。