Fuel cell system and method of heat recovery thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-008/04
H01M-008/06
H01M-008/12
출원번호
US-0912353
(2013-06-07)
등록번호
US-9269970
(2016-02-23)
우선권정보
TW-101150022 A (2012-12-26)
발명자
/ 주소
Chen, Tsung-Lin
Wu, Chien-Chang
출원인 / 주소
National Chiao Tung University
대리인 / 주소
Bacon & Thomas, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
2
초록▼
The present invention provides a fuel cell system, and the fuel cell system comprises a fuel cell, an after burner, a heat exchanger and a reformer. The after burner connects with the fuel cell to receive rest-bar of the fuel cell and produce a gas with high temperature. The heat exchanger comprises
The present invention provides a fuel cell system, and the fuel cell system comprises a fuel cell, an after burner, a heat exchanger and a reformer. The after burner connects with the fuel cell to receive rest-bar of the fuel cell and produce a gas with high temperature. The heat exchanger comprises a first heat exchanging unit and a second heat exchanging unit connected with the first heat exchanging unit, and the second heat exchanging unit connects with a fuel input pipe for receiving the fuel. The reformer connects with the after burner, the first heat exchanging unit and the second heat exchanging unit separately.
대표청구항▼
1. A solid oxide fuel cell system, comprising: a fuel cell;an after burner means for receiving a rest-bar of the fuel cell and producing a gas with high temperature, the after burner connecting with the fuel cell;a fuel input pipe;a water input pipe;an air input pipe, wherein the air input pipe is c
1. A solid oxide fuel cell system, comprising: a fuel cell;an after burner means for receiving a rest-bar of the fuel cell and producing a gas with high temperature, the after burner connecting with the fuel cell;a fuel input pipe;a water input pipe;an air input pipe, wherein the air input pipe is connected with an after combustion chamber to input an air with a room temperature to the after burner;a first heat exchanging unit, wherein the first heat exchanging unit is connected with an air input pipe to conduct heat exchange with air through the gas with high temperature outputted from the reformer;a second heat exchanging unit, the second heat exchanging unit is connected with the first heat exchanging unit, and the second heat exchanging unit connecting with the fuel input pipe for receiving the fuel; anda reformer, the reformer connecting with the after burner, the first heat exchanging unit and the second heat exchanging unit separately;a third heat exchanging unit, the third heat exchanging unit is connected with the second heat exchanging unit and the water input pipe, in order to process the heat exchange between the water and the gas with the high temperature outputted from the second heat exchanging unit, and outputs the gas with high temperature to the reformer;a fourth heat exchanging unit, the fourth heat exchanging unit is connected with the reformer, the first heat exchanging unit and the fuel cell to conduct heat exchange for a hydrogen rich gas outputted from the reformer and the air outputted from the first heat exchanging unit;wherein the gas with high temperature being orderly delivered to the reformer, the the first heat exchanging unit and the second heat exchanging unit, the gas with high temperature being provided to the reformer, so that the reformer being able to reform an an output fuel of the second heat exchanging unit as a necessary heat of a hydrogen-rich gas. 2. A heat recovery method of the solid oxide fuel cell system according to claim 1, comprising: providing a solid oxide fuel cell system, comprising a fuel cell;an after burner, the after burner connecting with the fuel cell to receive a rest-bar of the fuel cell and produce a gas with high temperature;a first heat exchanging unit:a second heat exchanging unit connected with the first heat exchanging unit, and the second heat exchanging unit connecting with a fuel input pipe for receiving a fuel;a third heat exchanging unit, the third heat exchanging unit is connected with the second heat exchanging unit and the water input pipe, in order to process the heat exchange between the water and the gas with the high temperature outputted from the second heat exchanging unit, and outputs the gas with high temperature to the reformer;a fourth heat exchanging unit, the fourth heat exchanging unit is connected with the reformer, the first heat exchanging unit and the fuel cell to conduct heat exchange for a hydrogen rich gas outputted from the reformer and the air outputted from the first heat exchanging unit; anda reformer, the reformer connecting with the after burner, the first heat exchanging unit and the second heat exchanging unit separately;delivering the gas with high temperature to the reformer in order to provide a heat energy required for reforming the fuel to a hydrogen rich gas;delivering the gas with high temperature to the first heat exchanging unit; anddelivering the gas with high temperature to the second heat exchanging unit from the first heat exchanging unit to conduct a heat exchange for the fuel. 3. The heat recovery method according to claim 2, wherein the heat exchanger further comprises a third heat exchanging unit, the third heat exchanging unit connects with the second heat exchanging unit and a water input pipe, the heat recovery method further comprises the following steps: delivering the gas with high temperature to the third heat exchanging unit from the second heat exchanging unit;conducting heat exchange with the water through the gas with high temperature; anddelivering the water to the reformer. 4. The heat recovery method according to claim 2, wherein the first heat exchanging unit connect with an air input pipe to input air, the heat exchanger further comprises a fourth heat exchanging unit, the fourth heat exchanging unit connecting with the reformer, the first heat exchanging unit and the fuel cell, the heat recovery method further comprises: conducting a heat exchange for a hydrogen rich gas outputted from the reformer and the air outputted from the first heat exchanging unit; andoutputting a hydrogen rich gas and an air to the fuel cell. 5. The heat recovery method according to claim 2, wherein the fuel cell system further comprises another air input pipe connected with the after burner, the heat recovery method further comprises: inputting the air with room temperature to the after burner.
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이 특허에 인용된 특허 (2)
Beshty Bahjat S. (Lower Makefield PA) Whelan James A. (Bricktown NJ), Fuel cell integrated with steam reformer.
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