Evolution of IUR Cooperation Network of China's Energy Storage：an Analysis of Social Network Based on Patent

doi:10.19799/j.cnki.2095-4239.2020.0355

Abstract

Abstract:

Energy storage provides stable, high-quality and environmental protection energy, which has positive significance for improving ecological environment, improving energy utilization efficiency and realizing sustainable development of society.Under the promotion of national policies, China's research cooperation institutions have established an intensive cooperative R & D network for energy storage. Analyzing the evolution process of cooperation network is of great significance to formulate cooperation policies, promote energy storage technology innovation and promote the transformation of scientific and technological achievements.Using the social network analysis method, this paper selects the patent application data of China's energy storage invention from 2004 to 2018, studies the development trend of industry university research patent cooperation, and constructs the core core network by using the dynamic priority connection mechanism, and discusses the evolution characteristics of the cooperation network from multiple perspectives.Because of the promotion of policy, the cooperation network is gradually expanding, and the characteristics of small world are becoming more and more obvious, and gradually showing the characteristics of choosing nodes with large intermediary centrality to connect first. State owned energy enterprises, state-owned energy research institutes and national key universities play the role of bridge of cooperation, and the coexistence trend of cross regional cooperation and internal cooperation in developed provinces is increasingly strengthened. The problem of insufficient academic research cooperation is highlighted with the increase of the number of partnerships, patent applications and cooperative knowledge fields of different types of institutions.Finally, combined with the actual situation, this paper puts forward some policy suggestions, such as introducing relevant supporting policies to encourage cooperation, enhancing the density and efficiency of academic research cooperation, reasonably carrying out industrial cooperation layout, and accelerating the construction of virtual innovation cluster.

Key words: Energy Storage, Industry-University-Research Institute (IUR), Cooperation Network, Social Network Analysis, Patent

CLC Number:

F270

Wenting Wang, Lirong Jian, Jun Liu, Wenjian Wang, Qiuyun Guo. Evolution of IUR Cooperation Network of China's Energy Storage：an Analysis of Social Network Based on Patent[J]. Energy Storage Science and Technology, doi: 10.19799/j.cnki.2095-4239.2020.0355.

Figures/Tables 9

Fig. 1

Table. 1

Table. 2

Fig. 2

Table. 3

Fig.3

Table. 4

Fig. 4

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中心度	1-2 阶段	2-3 阶段	3-4 阶段	4-5 阶段
C_AD	0.000（1.000）	0.450（0.224）	0.317*（0.034）	0.285**（0.002）
C_AP	0.000（1.000）	0.188（0.629）	0.005（0.974）	0.196*（0.032）
C_AB	0.000（1.000）	0.108（0.783）	0.516**（0.000）	0.350**（0.000）

阶段	节点数	连边数	平均度	直径	密度	聚类系数	平均路径长度	小世界商数
3（2010-2012）	10	12	2.4	2	0.267	0.633	1.5	2.494
4（2013-2015）	32	55	3.348	6	0.111	0.463	2.55	4.444
5（2016-2018）	46	110	4.783	5	0.106	0.539	2.293	6.131

阶段	产学研合作机构性质				产学研合作网络密度
		产	学	研	产	学	研
3（2010-2012）	产	0			0
	学	2	0		0.25	0
	研	0	6	8	0	0.375	0.5
4（2013-2015）	产	3			0.0104
	学	16	3		0.1176	0.0469
	研	23	6	6	0.1933	0.1071	0.1224
5（2016-2018）	产	2			0.005
	学	29	8		0.1036	0.0408
	研	47	19	20	0.1958	0.1131	0.1515

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