Battery pack, electronic device, electrically driven vehicle, electric tool, and power storage system
A battery pack is provided. The battery pack includes an exterior case and an article of an electric system including a battery. The article is configured to be accommodated in the exterior case. The article of the electric system is coated with a thin film coating agent. The article of the electric system includes the battery, a circuit board, and an electrode tab configured to electrically connect the battery or connect between the battery and the circuit board.
1. A battery pack comprising:
an exterior case; and
an article of an electric system including a battery,
wherein the article is configured to be accommodated in the external case,
wherein the article of the electric system is coated with a thin film coating agent, and
wherein the coating agent includes a silane-based glass coating agent, a polysilazane-based glass coating agent or a glass fiber-based coating agent.
2. The battery pack according to claim 1 , wherein the article of the electric system includes the battery, a circuit board, and an electrode tab configured to electrically connect the battery or connect between the battery and the circuit board.
3. The battery pack according to claim 1 , wherein the coating agent includes a fluororesin coating agent.
4. The battery pack according to claim 1 , wherein viscosity of the coating agent is less than or equal to 80 mP·s.
5. The battery pack according to claim 1 , wherein a film thickness of the coating agent ranges from 8 μm to 200 μm.
6. The battery pack according to claim 1 , wherein the battery is configured to be held by a battery holder, and a rubber ring is provided between an inner wall of the battery holder and a positive electrode of the battery.
7. The battery pack according to claim 6 , wherein the vibration-proof material includes vibration-proof rubber.
8. The battery pack according to claim 1 , further comprising a vibration-proof material interposed between an inner surface of the exterior case and the battery holder,
wherein the battery is configured to be held by a battery holder.
9. The battery pack according to claim 1 , wherein an opening is provided in the exterior case.
10. The battery pack according to claim 1 , wherein the coating agent is obtained by dissolving any one of acrylic, urethane, rubber and silicon resins in an organic solvent.
11. The battery pack according to claim 1 , wherein the coating agent includes a film configured to be formed by polymerization or crosslinking by any one of reactions of UV irradiation, moisture curing, and two-liquid mixing.
12. An electronic device comprising the battery pack according to claim 1 as a power supply source.
13. An electrically driven vehicle comprising:
the battery pack according to claim 1 ;
a converter configured to convert electric power supplied from the battery pack into drive force;
a driver configured to drive the electrically driven vehicle according to the drive force; and
a controller configured to control a use state of the battery pack.
14. An electric tool comprising:
the battery pack according to claim 1 ; and
a movable unit to which electric power is supplied from the battery pack.
15. A power storage system comprising:
the battery pack according to claim 1 ;
an electric device to which electric power is supplied from the battery pack; and
a controller configured to control power supply from the battery pack to the electric device.