Capacitor-type power supply unit

Patent metadata

Field	Value
Publication number	US-2018330895-A1
Application number	US-201815977728-A
Country	US
Kind code	A1
Filing date	May 11, 2018
Priority date	May 15, 2017
Publication date	Nov 15, 2018
Grant date	—

Abstract

A capacitor-type power supply unit including:
a positive bus to which a plurality of capacitor is connected in parallel at each positive-electrode terminal thereof with maintaining equal intervals therebetween, and extends in a parallel direction; and an negative bus to which the plurality of capacitor is connected in parallel, at each negative-electrode terminal thereof with maintaining equal intervals therebetween, and extends in the parallel direction, in which the positive bus has a positive-electrode-side external connection part that is set at a position (SD) separated from the positive-electrode first end by a range of 20% to 30% of the total length in the longitudinal direction thereof, and the negative bus has an negative-electrode-side external connection part that is set at a position (SD) separated from the negative-electrode second end by a range of 20% to 30% of the total length in the longitudinal direction thereof.

First claim

What is claimed is:

1 . A capacitor-type power supply unit in which a plurality of a first to n th electrical storage devices are connected in parallel, wherein n is an integer of 6 or greater, the capacitor-type power supply unit comprising:
a positive-electrode-side parallel connection conductor in which each positive-electrode terminal of the first to n th electrical storage devices is connected in sequence from one end to another end of the positive-electrode-side parallel connection conductor; and an negative-electrode-side parallel connection conductor in which each negative-electrode terminal of the first to n th electrical storage devices is connected in sequence from one end to another end of the negative-electrode-side parallel connection conductor, wherein the positive-electrode-side parallel connection conductor has a positive-electrode-side external connection part that is set at a position separated from an end on a side of the first electrical storage device by a length corresponding to a resistance value in a range of 20% to 30% of a resistance value from the one end to the other end, and wherein the negative-electrode-side parallel connection conductor has a negative-electrode-side external connection part that is set at a position separated from an end on a side of the n th electrical storage device by a length corresponding to a resistance value in a range of 20% to 30% of a resistance value from the one end to the other end.

2 . A capacitor-type power supply unit in which a plurality of a first to n th electrical storage devices are connected in parallel, wherein n is an integer of 6 or greater, the capacitor-type power supply unit comprising:
a positive-electrode-side parallel connection conductor that extends in a parallel direction of the plurality of electrical storage devices, and in which each positive-electrode terminal of the first to n th electrical storage devices are connected in sequence from one end to another end thereof; and an negative-electrode-side parallel connection conductor that extends in the parallel direction, and in which each negative-electrode terminal of the first to n th electrical storage devices is connected in sequence from one end to another end thereof, wherein the positive-electrode-side parallel connection conductor has a positive-electrode-side external connection part that is set at a position separated from an end on a side of the first electrical storage device by a range of 20% to 30% of a total length in a longitudinal direction thereof, and wherein the negative-electrode-side parallel connection conductor has a negative-electrode-side external connection part that is set at a position separated from an end on a side of the n th electrical storage device by a range of 20% to 30% of a total length in a longitudinal direction thereof.

3 . The capacitor-type power supply unit according to claim 1 , wherein the positive-electrode-side parallel connection conductor has a positive-electrode connection conductor part to which respective positive-electrode terminals of the plurality of electrical storage devices are connected, and a positive-electrode-side external connection conductor part that is provided in parallel at predetermined intervals with the positive-electrode connection conductor part, and is connected with the positive-electrode connection conductor part at a site corresponding to the positive-electrode-side external connection part on the positive-electrode connection conductor part, and
wherein the negative-electrode-side parallel connection conductor has an negative-electrode connection conductor part to which respective negative-electrode terminals of the plurality of electrical storage devices are connected, and an negative-electrode-side external connection conductor part that is provided in parallel at predetermined intervals with the negative-electrode connection conductor part, and is connected with the negative-electrode connection conductor part at a site corresponding to the negative-electrode-side external connection part on the negative-electrode connection conductor part.

4 . The capacitor-type power supply unit according to any one of claims 1 , wherein the electrical storage device is a lithium ion capacitor or a serial connection body thereof.

5 . The capacitor-type power supply unit according to claim 1 , wherein the electrical storage device is a rechargeable battery or a serial connection body thereof.

6 . The capacitor-type power supply unit according to claim 2 , wherein the positive-electrode-side parallel connection conductor has a positive-electrode connection conductor part to which respective positive-electrode terminals of the plurality of electrical storage devices are connected, and a positive-electrode-side external connection conductor part that is provided in parallel at predetermined intervals with the positive-electrode connection conductor part, and is connected with the positive-electrode connection conductor part at a site corresponding to the positive-electrode-side external connection part on the positive-electrode connection conductor part, and
wherein the negative-electrode-side parallel connection conductor has an negative-electrode connection conductor part to which respective negative-electrode terminals of the plurality of electrical storage devices are connected, and an negative-electrode-side external connection conductor part that is provided in parallel at predetermined intervals with the negative-electrode connection conductor part, and is connected with the negative-electrode connection conductor part at a site corresponding to the negative-electrode-side external connection part on the negative-electrode connection conductor part.

7 . The capacitor-type power supply unit according to claim 2 , wherein the electrical storage device is a lithium ion capacitor or a serial connection body thereof.

8 . The capacitor-type power supply unit according to claim 3 , wherein the electrical storage device is a lithium ion capacitor or a serial connection body thereof.

9 . The capacitor-type power supply unit according to claim 2 , wherein the electrical storage device is a rechargeable battery or a serial connection body thereof.

10 . The capacitor-type power supply unit according to claim 3 , wherein the electrical storage device is a rechargeable battery or a serial connection body thereof.

Assignees

• Honda Motor Co Ltd

Inventors

• Nagayoshi Shogo
• Watanabe Shinya
• Saito Yasuhisa
• Saito Hitoshi
• Hirayama Shinyu
• Sawamura Hironori

Classifications

• H01G11/12

  Stacked hybrid or EDL capacitors · CPC title

• H01G11/06 Primary

  with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC] · CPC title

• H01G4/228

  Terminals · CPC title

• H01G4/38

  Multiple capacitors, i.e. structural combinations of fixed capacitors · CPC title

• H01G11/72

  specially adapted for integration in multiple or stacked hybrid or EDL capacitors · CPC title