Core Viewpoint - Technological innovation is a crucial driving force for the sustainable development of the energy storage industry, impacting various sectors such as large-scale battery cells, long-duration energy storage, and grid-connected energy storage [2]. Group 1: Technological Innovation in Energy Storage - China's investment in energy storage technology and talent has been steadily increasing, with R&D spending expected to reach nearly 100 billion yuan by 2025, nearly doubling from five years ago [2]. - The number of R&D personnel has surpassed 200,000, and the number of patents has exceeded 100,000, indicating a growing foundation and strength in technological innovation [2]. - The competitive landscape is characterized by intense price wars, which may hinder R&D investments and innovation momentum in the technology sector [2]. Group 2: Future Competitiveness of Enterprises - The 24潮产业研究院 (TTIR) emphasizes that only companies with global layout capabilities, strong market expansion, financial health, and significant brand influence will have the potential for sustainable growth [3]. - Starting in 2026, TTIR will release a ranking of the top 10 Chinese energy storage companies based on their technological innovation capabilities across seven primary dimensions and 20 secondary dimensions [3]. Group 3: Ranking of Technological Innovation - The ranking will assess companies based on R&D investment, foundational strength, innovation outcomes, commercial promotion capabilities, product competitiveness, achievements, and leading layouts [4]. - The scoring breakdown for the ranking includes 45% for R&D investment, 15% for foundational strength, 10% for innovation outcomes, and various other dimensions [4]. Group 4: Top 10 Energy Storage Companies by Innovation - The top-ranked companies for technological innovation include BYD, CATL, and Sungrow, with scores reflecting their R&D investment, innovation outcomes, and product competitiveness [7]. - BYD scored 87.49, followed by CATL with 81.90, and Sungrow with 81.00, showcasing their leadership in the energy storage sector [7]. Group 5: Detailed Scoring Metrics - The detailed scoring metrics for R&D investment show that BYD leads with a score of 95.42, while CATL and Sungrow follow with scores of 83.12 and 78.33, respectively [9]. - In terms of innovation outcomes, Sungrow leads with a score of 86.88, followed closely by BYD and CATL [11]. - The foundational strength scores indicate that Sungrow also leads in R&D personnel metrics, highlighting its commitment to innovation [13].