The landscape of energy storage is undergoing a significant transformation, heralding the emergence of new opportunities and collaborations within the industryRecently, Kun Gong Technology Holdings has made a strategic move by forming a partnership through its subsidiary, Kun Gong Heng Da (Ningxia), with China Electric (Gansu) Energy Investment Co., Ltdand China Electric (Guangdong) Energy Investment Co., LtdThis collaboration has culminated in the signing of cooperation agreements for the development of 100,000-kilowatt and 300,000-kilowatt solar power generation and wind energy assurance projects in Lingwu, Ningxia.

Both China Electric (Gansu) and China Electric (Guangdong) are critical branches of State Power Investment Corporation, which has established a strong reputation in the new energy project development arena, alongside powerful entities like China Energy Construction Group and China Construction Third Engineering Bureau

The projects set to unfold under this partnership will complement the establishment of a 10% four-hour energy storage system, integrating the pioneering aluminum-based lead carbon battery technology developed by Kun Gong Technology into the solar and wind generation frameworkThis innovative merger stands as a stability factor in green energy adjustment mechanisms, capturing widespread interest in lead carbon batteries across the industry.

Indeed, in the preceding year of 2024, Kun Gong Technology has marked its territory, boldly advancing with its unique “aluminum-based lead carbon battery” technology, establishing itself as a formidable player in the sectorBut what exactly is fueling the rise of aluminum-based lead carbon batteries, and how do they challenge lithium-ion batteries? In a burgeoning landscape of diversified energy storage technologies, Kun Gong Technology’s advancement shines through, prompting questions about its competitive edge.

To understand aluminum-based lead carbon batteries' significance, one must appreciate the evolution from traditional lead-acid batteries, which have been a stalwart in industrial applications since their invention in 1859. For over 160 years, lead-acid batteries have dominated the electrochemical battery market, holding the largest market share

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Even as lithium-ion batteries have surged forward, derivatives of lead-acid batteries, including lead carbon versions, continue to maintain their indispensable status within the industry.

Aluminum-based lead carbon batteries embody an advanced evolution of traditional lead-acid batteries, integrating the characteristics of supercapacitors to enhance performanceBy cleverly retaining the high specific energy of lead batteries while delivering the rapid charging capabilities of supercapacitors, these batteries exhibit impressive charge and discharge performance coupled with extended service life.

Beyond their operational advantages, lead carbon batteries exhibit a more economically favorable profile compared to lithium-ion counterparts, particularly in terms of cycling lifespan, safety, low-temperature performance, manufacturing, and recycling technologyAlthough lithium batteries maintain their position as the preferred choice in modern energy storage, the increase in production volume has unveiled several vulnerabilities: high reactivity of lithium metal leading to safety concerns such as fires and explosions.

Conversely, lead carbon batteries utilize a diluted sulfuric acid solution as an electrolyte, translating to a far safer operational environment devoid of thermal runaway incidents

They’ve been engineered to optimize both energy and power density, making them ideal candidates for long-duration energy storage applicationsThe natural abundance of raw materials like aluminum, lead, and carbon translates into lower production costsAccording to a report by China Energy News, constructing storage stations with aluminum-based lead carbon batteries may cost between 0.65 to 1 yuan per watt-hour, a marked improvement over lithium-ion batteries that can range from 0.8 to 2 yuan per watt-hourFurthermore, the overall lifecycle environmental burden of aluminum-based lead carbon batteries is considerably lower due to their recyclability, achieving a recycling rate of 99%.

More critical in the context of modern energy grids, the integration of renewable energy sources necessitates long-duration energy storage solutions to create stable and robust power systemsLithium batteries, offering only 2 to 4 hours of short-term storage, fall short in supporting the requirements of extensive long-cycle storage solutions essential for sustaining power as weather conditions fluctuate

Long-term storage systems provide much-needed resilience against seasonal or extreme weather events while facilitating cross-day, cross-week, and even cross-month charging cyclesThis burgeoning need aligns seamlessly with the strengths of lead carbon batteries.

Notably, aluminum-based lead carbon batteries represent an upgrade over traditional lead carbon batteriesWith a focus on enhancing the core lead-carbon battery technology, Kun Gong Technology has harnessed years of experience in areas such as electrochemical metallurgy and innovative composite electrode production to pioneer a new technique for preparing water-based solid-state long-duration energy storage batteriesThis innovation boasts a storage duration exceeding 120 hours, positioning them at the forefront of energy storage technology.

As the adoption of aluminum-based lead carbon batteries accelerates, they are gradually gaining recognition and preference among stakeholders in the energy sector

Although lithium batteries are heralded for their high energy density and lightweight properties, the cost-efficiency, reliability, and longevity of aluminum-based lead carbon batteries become increasingly appealing at both national and industrial levels.

Keenly aware of the evolving market dynamics, Kun Gong Technology has ramped up its production capabilitiesFor instance, the company has successfully commissioned the world's first production line in Qujing, Yunnan, dedicated to aluminum-based lead carbon long-duration energy storage batteries, targeting an annual production capacity of 5GWh of high safety batteriesMeanwhile, a 10GWh production line in Lingwu, Ningxia, is nearing completion and is anticipated to commence operations by mid-2025.

On the front lines of market engagement, Kun Gong Technology has made substantial strides beyond domestic projectsIn addition to their work in Lingwu, they have initiated a distributed photovoltaic project in Yunnan, incorporating a 6.2MW setup alongside a 0.5MW/2MWh aluminum-based lead carbon electrochemical energy storage system, showcasing their commitment to advancing high-safety green energy solutions

The company has also successfully exported its aluminum-based lead carbon batteries to Uzbekistan and is deepening collaborations with countries along the Belt and Road Initiative, including Zambia and the Democratic Republic of the Congo, highlighting the widespread acceptance of this technology internationally.

Broader industry trends indicate the growing presence of lead carbon battery technologies in various project bids and tendersNoteworthy projects involving lead carbon batteries include the National Electric Power Investment Corporation's shared energy storage project in Meishan, which has significant capacity and features lead carbon battery technologyRecent tenders have also surfaced for shared storage projects in Gansu, employing lead carbon batteries aligning with national initiatives to bolster the sector.

Aiming for sustainable energy solutions, the market outlook remains optimistic, buoyed by the growing demand for long-duration energy storage solutions from diverse technological routes

The notion of lead carbon batteries prevailing in this arena has garnered support from notable expertsAcademician Yang Yusheng has championed lead carbon batteries as prime candidates for large-scale energy storage, underscoring their advantages in durability, safety, and economical productionIn the U.S., there’s a renewed interest in lead carbon batteries for safety considerations, suggesting a global resurgence in their application.

Moreover, with the rise of peak and valley price differences coupled with declining lithium battery costs, commercial energy storage solutions are emerging as the fastest-growing segment of the energy storage marketThe ability of aluminum-based lead carbon batteries to be densely stacked allows for practical installations in compact spaces such as underground areas and data centers demonstrating exceptional safety requirementsThis competitive edge positions them uniquely within the evolving landscape of energy storage.

Overall, the drive towards creating diverse, economically viable, and safe energy storage solutions is gaining momentum, evidenced by initiatives from the Ministry of Industry and Information Technology in China