Page 34 - Bullion World Issue 10 February 2022_Neat
P. 34

Bullion World | Issue 10 | February 2022

              a complicated, multi-stage        cell. It fell to around 130 mg
              process and requires extensive    per cell in 2016, which further
              capital investment.               declined to 111 mg per cell in
                                                2019.
           •   Domestic solar PV modules     •   Industry forecasts the usage
              installed capacity is 11,000 MW   to drop to around 80 mg per
              consisting of more than 150       cell in future and stabilize after
              companies with top players        that. Converting the use of the
              accounting for around 6913 MW     silver paste to MW generation
              capacity. Most domestic players   approximately 40 kg/ MW.         Major producers of
              come under the 50-200MW                                           silver paste at Global
              capacity bracket, while a      Substitution is not a significant             level.
              handful of players have a larger   risk
              manufacturing capacity.        •   Substitution from less expensive
                                                                                Du Pont
                                                materials like copper appears
           •   Out of India’s annual demand     limited given that Silver has   Haraeus:
              of 10GW PV equipment, nearly      the lowest electrical resistance
                                                                                Samsung
              85% is imported. The primary      among all metals at standard
              reason for lower capacity         temperatures. This translates   Giga Solar
              utilization is capacity is obsolete,   that substitutes cannot replace
              sub-scale and uncompetitive.      Silver in terms of energy output   Targray Group
                                                per panel
           Trends in Silver applications in   •   The result would be using     Toyo Aluminium
           Solar PV                             substitutes will increase the   Mono crystal
           •   Silver paste application (also   number of the panel to get the
              called loading) in solar cells has   same electrical output.      Noritake
              been declining since 2009 due   •   Secondly, those PVs will      Namics
              to development in technology      have a shorter lifespan with
              and an increase in efficiency of   reduced adhesiveness of front   Donjin Semichem
              the silicon wafers.               pastes made from copper or
                                                                                Exojet technology corporation
           •   In 2009, the silver paste usage   aluminium.
              was approximately 521 mg per                                      AG Pro

                                                                                TTMC

                                                                                Daejoo electonics materials

                                                                                Rutech

                                                                                Hoyi technology

                                                                                Tehsun


                                                                                LEED electronic Ink


















           34
   29   30   31   32   33   34   35   36   37   38   39