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Tongwei Solar launches new breakthrough TNC and THC modules – pv magazine International


Devoted to the “inexperienced manufacturing idea,” Tongwei Photo voltaic introduced its newest modules on the sixteenth SNEC PV POWER EXPO held in Shanghai, China.

The photo voltaic business is at the moment experiencing chaos because of variations in silicon wafer sizes, module sorts, and expertise strategies, and on this context, n-type modules are growing in recognition. In recognition of the improved efficiency worth of the expertise, Tongwei Photo voltaic unveiled two new merchandise: the TNC-182 module with optimized dimension and rectangular silicon wafer cell expertise and the silver-free 210-THC modules. Each newcomers take pleasure in larger energy with decrease balance-of-system (BOS) and levelized value of power (LCOE).

Tongwei’s present pilot-scale manufacturing line for its independently developed plasma-enhanced chemical vapor deposition (PECVD) TNC (Tongwei N-passivated Contact Cell) expertise has achieved an effectivity of 25.7%. By way of mass manufacturing, the conversion effectivity of TNC cells exceeds 25.5%. TNC cells have excessive bifaciality, ultra-low attenuation, improved temperature coefficient, and an attention-grabbing weak mild response. Tongwei Photo voltaic’s present 182 mm, 72 half-cell module has an influence of 588 W, which is 25-30 W larger than PERC, and 10% larger in bifaciality. The corporate’s new TNC-182 evolves the 182-72 model and designs for optimum cell and module dimension. The facility of recent variations of the module is additional elevated by 25-30 W and may now exceed 600 W.

Tongwei Photo voltaic has been engaged on THC expertise since 2018, and in March 2023, the mass manufacturing effectivity of Tongwei’s first GW-level manufacturing line in China reached a degree of 26.18% (confirmed by ISFH). The newly unveiled 210-THC modules have many technological advances, together with the adoption of silver-free expertise, ultra-thin silicon wafer expertise, bifacial microcrystal expertise, high-performance goal doping, and lightweight injection. Changing silver with copper electroplating additional narrows the associated fee hole with PERC modules. The brand new 210-THC module collection of Tongwei Photo voltaic has a decrease temperature coefficient and better bifaciality, which might enhance energy technology and obtain a decrease LCOE. Tongwei is anticipated to understand large-scale manufacturing of its THC modules quickly.

In step with the worldwide aim of “carbon neutrality,” Tongwei Photo voltaic is additional increasing its manufacturing capability and supply targets, striving to realize 300,000 tons of high-purity crystalline silicon shipments, 70 GW of cell shipments (together with self-use), and 35 GW of module shipments.

Tongwei Photo voltaic’s module manufacturing capability is anticipated to succeed in 80 GW by the top of 2023.

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