Semiconductor thermoelectric temperature control all-solid-state energy storage and conversion device

Abstract

The invention discloses a semiconductor thermoelectric temperature control all-solid-state energy storage and conversion device, which comprises an all-solid-state lithium-based battery pack (1), a semiconductor thermoelectric conversion system (3) and the like, wherein temperature sensors (5) are distributed on each single all-solid-state lithium-based battery, a direct current power supply (11) in a battery management system (4) is connected in series with a thermoelectric pile (7), and the temperature sensors (5) are connected with the battery management system (4); the semiconductor thermoelectric conversion system (3) is arranged on the two sides of the all-solid-state lithium-based battery pack (1), and is closely attached to the all-solid-state lithium-based battery pack (1); the all-solid-state lithium-based battery pack (1), the semiconductor thermoelectric conversion system (3), the battery management system (4) and the temperature sensors (5) are arranged in a battery box (2). According to the device, the shortcomings of potential safety hazards of a commercial lithium ion battery technology, high internal resistance and low specific energy of an existing all-solid-state lithium-based battery technology, and the like are overcome, and the electricity utilization requirements of high safety, high specific energy and long service life are met.

Description

technical field [0001] The invention relates to an energy storage and conversion device. Background technique [0002] In response to the two necessary energy storage requirements of high energy and high safety, researchers from various countries are actively developing all-solid-state lithium-ion batteries or all-solid-state lithium batteries (all-solid-state lithium-based batteries), especially the use of completely different inorganic solid electrolyte materials. Flammability, completely solve the safety hazard of the battery. Compared with traditional liquid electrolytes, the advantages and disadvantages of inorganic solid electrolytes are shown in Table 1 below. [0003] Table 1 Advantages of inorganic solid electrolytes over traditional liquid electrolytes [0004] [0005] At present, the application of all-solid-state lithium-based batteries needs to solve some scientific and technical problems, mainly including: improving the lithium ion conductivity of solid e...

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the present invention is: to overcome the deficiencies of the prior art, the present invention discloses a semiconductor thermoelectric temperature-controlled all-solid-state energy storage and conversion device, which overcomes the potential safety hazards of commercial lithium-ion battery technology, the existing all-solid-state lithium-based The high internal resistance and low specific energy of battery technology meet the needs of high safety, large specific energy, and long life, and the additional function of cooling or heating components outside the energy storage and conversion device

Images