Air cooled fuel cell system

Patent metadata

Field	Value
Publication number	US-9961797-B2
Application number	US-201514850044-A
Country	US
Kind code	B2
Filing date	Sep 10, 2015
Priority date	Sep 15, 2014
Publication date	May 1, 2018
Grant date	May 1, 2018

Abstract

An air-cooled electronics module is disclosed. The air-cooled electronics module includes a housing and a heat exchanger disposed within the housing and separating the housing into a first portion and a second portion. The air-cooled electronics module also includes one or more electronic components disposed within the first portion, and one or more additional electronic components disposed within the second portion. The air-cooled electronics module further includes at least one fan configured to blow air into the second portion. The air in the first portion is substantially stagnant.

First claim

What is claimed is:

1. A fuel cell module cabinet, comprising:
a first compartment that contains at least one air-cooled electronics module comprising:
a housing;
a heat exchanger disposed within the housing and separating the housing into a first portion and a second portion;
one or more electronic components disposed within the first portion, and one or more additional electronic components disposed within the second portion; and
at least one fan configured to blow air into the second portion,
wherein the air in the first portion is substantially stagnant; and

a second compartment that contains one or more fuel cell power generation components.

2. The fuel cell module cabinet of claim 1 , wherein the at least one fan is disposed at at least one end of the housing.

3. The fuel cell module cabinet of claim 1 , wherein the heat exchanger includes at least one fin.

4. The fuel cell module cabinet of claim 3 , wherein the at least one fin extends from the heat exchanger toward the second portion.

5. The fuel cell module cabinet of claim 1 , wherein the heat exchanger substantially seals the first portion from the second portion.

6. The fuel cell module cabinet of claim 2 , wherein the one or more additional electronic components disposed within the second portion comprise at least one of a transformer or an inductor.

7. The fuel cell module cabinet of claim 1 , wherein the one or more electronic components disposed within the first portion include at least one of a DC/DC converter or a control circuit.

8. The fuel cell module cabinet of claim 1 , further comprising a platform separating the first compartment and second compartment.

9. The fuel cell module cabinet of claim 1 , further comprising a door including an inner portion and an outer portion, wherein the one or more power generation components comprise a hot box containing one or more fuel cell stacks and a balance of plant subsystem, and wherein the door further includes a protruding portion extending between the first compartment and the second compartment.

10. A fuel cell system, comprising:
a base;
at least one fuel cell system module disposed on the base; and
at least one of a fuel processing module or a power conditioning module disposed on the base,
wherein the at least one fuel cell system module includes the fuel cell module cabinet of claim 1 connected through the base with at least one of the fuel processing module or the power conditioning module.

11. The fuel cell system of claim 10 , wherein:
the air-cooled electronics module comprises a DC/DC converter and a control circuit located within a first portion of a housing of the air-cooled electronics module; and
the air-cooled electronics module further comprises an inductor and a transformer located within a second portion of the housing of the air-cooled electronics module.

12. A method of operating a fuel cell system, comprising:
generating current from one or more fuel cell stacks in a hot box located in a first compartment of a fuel cell module cabinet;
providing the current from the hot box to an electronics module located in a second compartment of the fuel cell module cabinet,
wherein the electronics module comprises a first portion containing at least one electronic component, and a second portion containing at least one additional electronic component,
wherein air contained in the first portion is substantially stagnant, and
wherein the method further comprises flowing cooling air into the second portion of the electronics module to remove heat from the first portion and the second portion.

13. The method of claim 12 , wherein the at least one electronic component contained in the first portion generates less heat than the at least one electronic component contained in the second portion, and wherein the at least one electronic component contained in the first portion comprises at least one of a DC/DC converter or a control circuit, and the at least one electronic component contained in the second portion comprises at least one of an inductor or a transformer.

14. The method of claim 12 , further comprising transferring heat from the first portion to the second portion using a heat exchanger, wherein the heat transfer comprises at least one fin and wherein the heat exchanger seals the first portion from the second portion.

15. The method of claim 12 , wherein flowing cooling air into the second portion comprises blowing air into the second portion using a fan.

Assignees

• Bloom Energy Corp

Inventors

• Gurunathan Ranganathan
• Balakrishnan Deepak
• Govindan Rajkannu
• Krishnan Navaneetha
• Trevisan David
• Ballantine Arne
• Mahler Jessica
• Parker Ross
• Odenheimer Zachary
• Richards Gilbert

Classifications

• H01M8/24

  Grouping of fuel cells, e.g. stacking of fuel cells · CPC title

• H05K7/20154 Primary

  Heat dissipaters coupled to components · CPC title

• H05K7/20163

  the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels · CPC title

• H01M2250/00

  Fuel cells for particular applications; Specific features of fuel cell system · CPC title

• H01M8/02 Primary

  Details (electrodes H01M4/86 - H01M4/98) · CPC title