As volumes increased, battery costs plummeted and energy density — a key metric of a battery’s quality — rose steadily. Over the past 30 years, battery costs have fallen by a dramatic 99 percent; meanwhile, the density of top-tier cells has risen fivefold.
This considerable gap between demand for cell components and local supply signals growth opportunities in the battery component market. The global revenue pool of the core cell components is expected to continue growing by around 17 percent a year through 2030 (Exhibit 2).
EVs have entered in the era of Li-ion batteries, and the battery integration mode has played a critical role in determining driving range and safety of EVs. Further increase of battery energy density principally relies on innovations of cell, module and packs.
At the same time, the European Commission has established a dedicated instrument under the Innovation Fund to support the battery value chain, allocating up to €3 billion. 6 This funding is targeted at enhancing the middle of the battery value chain, particularly cell production, and could stimulate investments in other parts of the value chain.
Suppliers in the battery component sector thus face challenges regarding commercial market entry, the necessity for substantial funding, and a rapidly evolving technological landscape. Moreover, local suppliers face a highly competitive market dominated by incumbent suppliers, mostly in Asia.
Saw et al. investigated the integration issues of the EV battery pack from different aspects, namely battery assembly, thermal management, monitoring and control, services and maintenance. Golembiewski et al. analysed the battery value chain of EVs based on patent activities.
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