In the trend of photovoltaic technology rapid update iteration and affordable access to the Internet, improving efficiency and reducing cost has become the core development goal of photovoltaic industry. Heterojunction battery has a series of advantages, such as high conversion efficiency, simple manufacturing process, thin silicon application, low temperature coefficient, no light-induced attenuation and potential attenuation, double-sided power generation and so on. It is known as the next generation of ultra-high efficiency battery technology with the most industrialization potential. At present, the highest efficiency of heterojunction battery has reached 26.63%, and the mass production efficiency has exceeded 24%.

In addition to the mass production of heterojunction batteries in Panasonic, Japan, domestic enterprises such as Jinneng, hanergy, Fujian Junshi and CIIC power also have mass production capacity, and new enterprises such as Tongwei, Aikang and Caihong have also announced investment in GW level heterojunction projects. The key to low-cost mass production of heterojunction battery lies in the localization of equipment, the improvement of yield and production capacity, and the reduction of the cost of silicon wafer, low-temperature silver paste, TCO target and cleaning down chemicals.

Similar to the heterojunction battery, the thin-film power generation technology represented by CIGS, GdTe, GaAs, perovskite, etc. is also widely concerned, with the highest efficiency exceeding 22%, which can be widely used in many fields such as photovoltaic building integration (BIPV), mobile energy products, etc. Among them, CIGS and GdTe have achieved large-scale mass production, represented by hanergy, first solar and solar frontier. In addition, national energy group, China building materials and other powerful enterprises are also vigorously adding CIGS technology.

Although the perovskite thin film battery has not been commercialized, its laboratory efficiency has reached 23.7% in recent years, with great potential. The manufacturing cost of perovskite module has the advantage of principle compared with crystalline silicon module. The main challenge in the process of commercialization is the stability and large-scale preparation. In the long run, heterojunction, perovskite and CIGS are all suitable for the future stack cell, which can make the solar cell efficiency more than 30% in the future.

The 2019 heterojunction and thin film solar cell forum will be held in Chengdu, Sichuan Province from May 7 to 8. The meeting will discuss the prospect of photovoltaic industry and the market of heterojunction and thin-film battery, the optimization of key equipment and process for large-scale production of heterojunction battery, the analysis of potential for improving the mass production efficiency and reducing the cost of heterojunction battery, the application of heterojunction battery in double glass double-sided, multi main gate and stacked tile modules, the development status and key equipment localization of CIGS, GdTe and GaAs thin-film technology, and the manufacture of perovskite battery Preparation process and commercialization challenges, application scenario analysis of thin film power generation technology and market potential of BIPV, etc. The meeting will also arrange visits to Tongwei's latest intelligent factory, Zhongwei new energy heterojunction factory, and hanergy Chengdu heterojunction battery factory (hanergy's visit is limited to 40 people, and it will be terminated when the report is full).

Notice of relevant matters is as follows:

1、 Seminar topics:
1. Prospect of photovoltaic industry and market analysis of heterojunction and thin film battery
2. Prospects for quality improvement, flaking and cost reduction of n-type silicon wafers
3. Key technologies of heterojunction battery: cleaning and fluxing, amorphous silicon film and TCO film deposition
4. Advanced metallization process and conductive paste for heterojunction battery
5. Localization of key equipment and consumables of heterojunction battery
6. Potential for mass production efficiency improvement and cost reduction of heterojunction batteries
7. Prospect of the combination of heterojunction and IBC
8. Application of heterojunction battery in double glass double-sided, multi main gate and laminated tile modules
9. Real power generation benefits and economic advantages of heterojunction double-sided components
10. Technology status and development prospect of CIGS, GdTe and GaAs thin films
11. Mass production of thin film solar cells and localization of key equipment
12. Preparation process and cost reduction path of perovskite battery
13. The key to the industrialization of perovskite battery: stability and large-scale preparation
14. Key technologies and commercial prospects of perovskite / silicon based laminated batteries
15. Application scenario analysis and market potential of BIPV
16. Business inspection: Tongwei's latest intelligent factory, Zhongwei new energy heterojunction factory, and hanergy Chengdu heterojunction battery factory (only 40 people are allowed to visit hanergy, until the report is full)

2、 Time: May 7-8, 2019
3、 Location: Chengdu SOFIS Jinyuan Hotel
4、 Meeting registration fee and receipt: please see the attachment
5、 Registration time: 16:00-21:00, May 6, 2019
6、 Contact person and contact information:
Manager Chen: 021-68726606-109 / 13701609248 (wechat same number) or Joanna chen@
.25110;.28857;.20987;65306;

Conference fee: 3200 yuan / person, team registration (same company ≥ 3 people) 2900 yuan / person; foreign guests need another 2000 yuan English service fee note: the fee on the day of the meeting includes: lunch, tea break, dinner, Chinese Conference information, venue tickets, etc., excluding accommodation, accommodation fee shall be directly settled with the hotel before check-out; English service fee includes: English conference information on the day of the meeting, simultaneous interpretation fee, etc
Advertising expenses
For different sponsorship schemes, please contact manager Chen: 021-68726606-109 / 13701609248 (wechat same number) or Joanna gun@
The measure of area: 500m2

• Truename:Manager Chen
• Mobile:13701609248
• E-mail:Joanna_chen@chemweekly.com
• QQ:410192892
• Address:Xinjinqiao Road, Pudong New Area, Shanghai

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