Back to results
US 10,950,864 B2Granted
Negative electrode, battery, battery pack, electronic device, electrically driven vehicle, power storage device, and power system
AssigneeMurata Manufacturing Co., Ltd.
InventorsMasumi Fukuda, Taichi Kogure, Takaaki Matsui, Yoshikazu Kato, Ami Onuma, Miki Miyazaki, Seiji Onoe
Life of this patent
Estimating the term…
Abstract
A battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes an active material having grains and a binder having a reticulated structure. In this battery, spaces between the grains of the active material are filled with the reticulated structure of the binder.
Claims17
A battery, comprising:
- a positive electrode;
- a negative electrode;
- and
- an electrolyte,
- wherein the negative electrode includes an active material having grains and a binder having a reticulated structure, and
- wherein spaces between the grains of the active material are filled with the reticulated structure of the binder,
- wherein the reticulated structure has an average pore size from 900 nm to 5 μm,
- wherein the binder includes:
- a first binder including at least one of carboxyalkyl cellulose and a metallic salt thereof;
- and
- a second binder including at least one of a styrene butadiene rubber and a derivative thereof
- wherein the second binder has an average grain size from 80 nm to 200 nm.
9 more elements
A negative electrode, comprising:
- an active material having grains;
- and
- a binder having a reticulated structure,
- wherein spaces between the grains of the active material are filled with the reticulated structure of the binder,
- wherein the reticulated structure has an average pore size from 900 nm to 5 μm,
- wherein the binder includes:
- a first binder including at least one of carboxyalkyl cellulose and a metallic salt thereof;
- and
- a second binder including at least one of a styrene butadiene rubber and a derivative thereof
- wherein the second binder has an average grain size from 80 nm to 200 nm.
7 more elements
Dependencies are inferred from the claim text.