Technological change in lithium iron phosphate battery: the key-route main path analysis

Shih-Chang Hung (), John S. Liu (), Louis Y. Y. Lu () and Yu-Chiang Tseng ()
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Shih-Chang Hung: National Tsing Hua University
John S. Liu: National Taiwan University of Science and Technology
Louis Y. Y. Lu: Yuan Ze University
Yu-Chiang Tseng: National Taiwan University of Science and Technology

Scientometrics, 2014, vol. 100, issue 1, No 5, 97-120

Abstract: Abstract Technological change evolves along a cyclical divergent-convergent pattern in knowledge diffusion paths. Technological divergence occurs as a breakthrough innovation, or discontinuity, inaugurating an era of ferment in which several competing technologies emerge and gradually advance. Technological convergence occurs as a series of evolutionary, variant changes that are gradually combined or fused together to open the industry to successive dominant designs or guideposts. To visualize such a pattern of technological evolution, we choose to study lithium iron phosphate (LFP) battery technology through an extension of the citation-based main path analysis, namely the key-route main path analysis. The key-route method discloses the main paths that travel through a specified number of key citations. The resulting multiple paths reveal the structure of the knowledge diffusion paths. The citation network is constructed from 1,531 academic articles on LFP battery technology published between 1997 and early 2012. Findings illustrate that LFP battery technology has completed two full technological cycles and is in the middle of the third cycle.

Keywords: Technological evolution; Technological cycle; Main path analysis; Lithium iron phosphate battery (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (22)

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DOI: 10.1007/s11192-014-1276-9

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