What is HJT, the Third Generation Photovoltaic Cell Technology?

 

The strongest branch of photovoltaic. The pace of HJT mass production is accelerating, please close the 13 concept stocks with high performance

For anything, I make as many mistakes as other people, but my superman is that I can recognize my own mistakes. -Soros

 

Refer Solar Power in India

1. HJT: The 3rd generation of photovoltaic cell technology

As we all know, battery conversion efficiency is the most critical indicator of solar cells, but when traditional PERC battery technology is approaching the upper limit of efficiency, many companies put the importance of research and development on HJT battery technology.

 

What exactly is a HJT battery?

The full name of HJT battery is crystalline silicon heterojunction solar battery, and it is also called HJT, HDT, or SHJ by the market. Regardless of the complicated words, it actually refers to the same thing.

 

It is a silicon solar cell with a HJT structure. The technology is to deposit an amorphous silicon film on crystalline silicon. It combines the advantages of crystalline silicon cells and thin film cells, and is one of the hotspots of high conversion efficiency silicon-based solar cells.

 

What are the advantages of this HJT battery?

The most critical indicator of solar cells is the cell conversion efficiency.

Before 2015, the market was dominated by aluminum back field (BSF) batteries with a battery conversion efficiency of 19%. 

Later, PERC batteries appeared with a battery conversion efficiency of 21.5%, becoming the mainstream in the market.

At present, most of the photovoltaic industry uses PERC cells or various plus versions of PERC. In the same way, when the battery efficiency of PERC is approaching the upper limit, everyone will focus on the "heterojunction" battery.

The laboratory efficiency of HJT batteries has reached more than 26%, and the average mass production efficiency of existing mainstream manufacturers has reached 23%. 

In terms of efficiency, it is indeed a step higher than PERC batteries.

 

In addition, the HJT battery has technical characteristics such as high bifacial rate, low attenuation, and low temperature coefficient, making the full life cycle power generation possible 7% to 15% higher than PERC.

 

Although PERC batteries will still be the mainstream market in the next three years, as HJT and TOPCon equipment mature and reach a balance point of economic and practicality, they will replicate the rapid penetration of PERC batteries, explode quickly, and open the life of next-generation battery cell technology. cycle.

2. The process of HJT industrialization is accelerating

Since the second half of the year, the pace of expansion of heterojunction has accelerated significantly.

 

On the news, Haitai New Energy invested 5 billion yuan, 5GW heterojunction cell and 5GW module project settled in Yancheng. Prior to this, Mingyang Smart Energy Group's 5GW heterojunction photovoltaic cell project has just landed in Yancheng.

 

In addition, according to incomplete statistics, new and old photovoltaic companies including King Kong Glass, JA Solar, China Resources Power, Anhui Huasheng, Akcome Technology, etc. have reached strategic cooperation or signed procurement agreements with equipment manufacturers, which has promoted HJT. Industrialization process.

 

Sorting out the HJT battery concept stocks with high performance in the A-share market, there are 13 HJT battery concept companies with an interim net profit increase of over 50% year-on-year.

 

3. HJT concept stocks with high performance in the interim report

Otway: Interim net profit increased by 273.2% year-on-year

The leading stringer in the photovoltaic equipment industry. The company's existing equipment can be applied to HJT after modification according to HJT's process requirements.

The company has made various technical reserves for different processes, such as shingle machine, laser scribing machine, light injection annealing furnace, etc., which can meet HJT technology. 

 

Robotech: Interim net profit increased by 215.6% year-on-year

Intelligent manufacturing technology provider; the company's products are mainly used in the photovoltaic field, providing photovoltaic cell companies with intelligent automation equipment for the production process.

 

The company stated on the interactive platform that the company's products include automation equipment suitable for HIT/HJT battery technology. 

The company's technology and product layout in the photovoltaic field cover different processes such as HIT/HJT technology, which can meet future market needs.

Tongwei shares: Interim net profit increased by 193.5% year-on-year

 

Global aquatic feed and solar cell manufacturing double leading; the company is mainly engaged in the research and development, production and sales of aquatic feed, livestock and poultry feed, as well as the research and development, production and sales of high-purity crystalline silicon, solar cells and other products.

The first phase of the 1GW super-efficient heterojunction SHJ solar cell industrialization project jointly constructed by the company has a capacity of 200MW, and the first HJT cell has been rolled off the production line. 

 

Zhonghuan: Interim net profit increased by 174.9% year-on-year

 

The world's largest supplier of photovoltaic and monocrystalline silicon wafers, and the world's largest manufacturer of shingled modules

The company uses the repaired plant and new plant of Guodian Photovoltaic to implement the 5GW high-efficiency shingled module project, the 10GW high-efficiency solar cell ultra-thin silicon monocrystalline diamond wire slicing industrialization project, the transformation and upgrading of the high-efficiency HJT battery R&D production line, and the investment in the semiconductor industry.

Suzhou Goodtech: Interim report net profit increased by 146.9% year-on-year

Jingyin New Materials, a wholly-owned subsidiary, is an internationally renowned supplier of conductive silver paste.

The company has made every effort to promote the construction and sales of the 500-ton capacity construction and sales of the wholly-owned subsidiary Jingyin New Materials in the first phase of the new plant, and expand the shipments of heterojunction battery silver paste (HJT) and solar cell backside silver paste.

 

King Kong Glass: Interim report net profit increased by 104.1% year-on-year

The company intends to resume the original photovoltaic cell and module production business, with its subsidiary Wujiang King Kong as the main body to invest in the construction of a 1.2GW large-size half-cell ultra-efficient heterojunction solar cell and module project. The initial estimated total investment is 832 million yuan.

 

Xinlai Yingcai: Interim report net profit increased by 101.1% year-on-year

As a leading domestic supplier of key components for vacuum and semiconductor equipment

The company’s products are closely related to the equipment used in the production of HJT cells, especially the coating equipment used in the HJT process: PECVD equipment for amorphous silicon thin film coating, PVD equipment for transparent conductive film TCO coating, and the company’s vacuum system.

 

Jingshan Light Machinery: Interim report net profit increased by 96.71% year-on-year

 

Shengcheng Photovoltaic, a wholly-owned subsidiary, is a well-known Chinese domestic manufacturer of photovoltaic intelligent complete sets of equipment.

The company intends to invest 105 million yuan to purchase the proprietary technology related to HJT heterojunction battery cleaning and texturing technology owned by Fujian Jinshi Energy Co., Ltd. and its related parties, and to develop HJT heterojunction battery cleaning and texturing and HJT heterojunction batteries Automation business cooperation.

 

 

Mingyang Intelligent: Interim report net profit increased by 96.26% year-on-year

The company has the EPC business of photovoltaic power plants, and its holding subsidiary Zhongshan Ruike has formed a 100MW cadmium telluride (CdTe) photovoltaic module production capacity, which is mainly used in BIPV power generation glass curtain walls and other application scenarios;

The company plans to establish a wholly-owned subsidiary, Mingyang Smart Energy High-efficiency Photovoltaic Industry Co., Ltd., to invest in projects with an annual output of 5GW photovoltaic high-efficiency cells and 5GW photovoltaic high-efficiency modules, with an investment amount of 3 billion yuan.

 

Shanxi Coal International: Interim report net profit increased by 90.04% year-on-year

The company cooperates with Junshi (China) to invest in the heterojunction battery project, and plans to jointly build a 10GW heterojunction battery production line project to lay out the production of photovoltaic cells.

 

Jiejia Weichuang: Interim net profit increased by 83.70% year-on-year

The domestic leader in the supply of crystalline silicon solar cell equipment, the cell core equipment PECVD has a market share of more than 50%.

The company has fully mastered MWT, N-PERC, Topcon and other technologies, and has conducted in-depth research on the next-generation battery technology HJT.

 

Tuori New Energy: Interim net profit increased by 66.41% year-on-year

A new energy company that can produce three kinds of solar cell chips at the same time and has independent research and development of core technologies earlier in China, and the output and export volume of amorphous silicon solar cells ranks first in the country;

  

The company has realized the layout of the entire photovoltaic industry chain, and its products cover high-efficiency solar cells, high-efficiency photovoltaic modules, solar application products, photovoltaic glass, etc. 

The company has earlier set foot in photovoltaic HIT cells and has a certain technological accumulation.

 

Sanfu Shinco: Interim net profit increased by 59.95% year-on-year

The company’s high-efficiency monocrystalline heterojunction solar cell electroplating additive preparation and application technology has innovated the technical route of heterojunction solar cells, promoted major technological breakthroughs in the manufacture of heterojunction solar cells, and enabled China to have complete independent control in this field. Supply capacity.

 

Note: No matter how good the logic is, you have to choose the time to intervene and exit according to the trend of the market's rise and fall. Some of the above-mentioned companies have seen a large increase in their stock prices recently, so don't chase it.

 

The above content is only compiled and summarized based on public information such as industry and company fundamentals, and is only used for sharing and exchanges and learning, not as a basis for buying and selling