Energy efficiency of photoelectric converters of non-planar batteries
Abstract
Introduction. This article discusses the reduction in the energy output of batteries of photoelectric converters (PEC) used in electric vehicles and cars as a matter of designing PEC batteries for one of the promising environmentally friendly electric vehicles types.
The purpose of the study was to put forward the problem of reducing the non-planar solar cells energy output compared to flat batteries.
Methodology and research methods. The article has been the result of an analytical study of the electric parameters interaction when connected to the battery as well as to the photoelectric converter surface geometry.
The result of the work has been a technical solution to use bypass diode arrays to reduce power losses in non-flat PECs and includes the conclusions about the need to develop calculation methods and measures to reduce losses in non-flat PEC batteries.
The scientific novelty of the article comprises the consideration of the energy efficiency of solar cells when connected to the battery from a new viewpoint, taking into account the interaction of the design features of the vehicles (the solar cell should be non-planar), the solar cell electric parameters (currents, voltages and current-voltage characteristics of individual cells of the solar cells) as well as specific characteristics of the vehicle (maximum power consumption of the solar cell battery required for limited dimensions). Various ways of reducing energy losses in PEC batteries and schemes for connecting PECs to batteries, taking into account the above interactions, are considered analytically and numerically.
The practical significance of the analytical study is the application of the analysed issues and technical solutions to the development of electric vehicles and other autonomous devices with non-flat solar cells batteries.
About the Author
V. N. Kozlov
Federal State Unitary Enterprise “Central Scientific Research Automobile and Automotive Engines Institute” (FSUE “NAMI”)
Russian Federation
Russian Federation
postgraduate, chief specialist
Moscow 125438
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Review
For citations:
Kozlov V.N. Energy efficiency of photoelectric converters of non-planar batteries. Trudy NAMI. 2019;(4):38-45. (In Russ.)
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