摘要:
The present invention relates to a solar cell (1) comprising a substrate (2) of p-type silicon or n-type silicon, wherein the substrate (2) comprises - a front side (2a) the surface of which is at least partially covered with at least one passivation layer (3) and - a back side (2b),
wherein the back side (2b) of the substrate (2) is at least partially covered with a conductive polymer layer (4) and wherein at least one of the following conditions a) and b) is fulfilled: a) the conductive polymer layer (4) is at least partially in direct contact with the surface of the p-type or n-type silicon; b) the conductive polymer layer (4) comprises a cationic conductive polymer and a polymeric anion in a weight ratio cationic conductive polymer : polymeric anion of greater than 0.4. The present invention also relates to a process for the preparation of a solar cell, to a solar cell obtainable by this process and to a solar module.
摘要:
In general, the invention relates to electro-conductive pastes comprising particles with comprise Al, Si and Mg and their use in the preparation of photovoltaic solar cells, preferably n-type photovoltaic solar cells. More specifically, the invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The invention relates to a paste comprising as paste constituents: a. At least 80 wt. % silver powder, based on the total weight of the paste; b. An inorganic reaction system; c. An organic vehicle; d. Additive particles comprising Al, Mg and Si as particle constituents, wherein Al, Mg and Si are present in the additive particles as elements or in one or more single phase mixtures of elements comprising one or more of the particle constituents, or a combination of one or more elements with one or more single phase mixtures of elements.
摘要:
In general, the invention relates to electro-conductive pastes comprising an aliphatic alcohol and their use in the preparation of photovoltaic solar cells. More specifically, the invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The invention relates to a paste comprising the following paste constituents: a. metallic particles; b. an inorganic reaction system; c. an organic vehicle,
wherein the organic vehicle comprises an aliphatic mono-alcohol containing one O atom per molecule in the range from about 1 to about 15 wt. %, based on the total weight of the organic vehicle.
摘要:
Mit elementarem Silber und elementarem Ruthenium ausgestattetes partikelförmiges anorganisches Material mit einer durchschnittlichen Teilchengröße (d50) im Bereich von 50 nm bis 40 µm und einer BET-Oberfläche im Bereich von 1 bis 1600 m 2 /g, wobei das anorganische Material als solches ausgewählt ist aus der Gruppe bestehend aus Aluminiumnitrid, Titannitrid, Siliziumnitrid, alpha-Aluminiumoxid, Titandioxid in Form von Anatas, Titandioxid in Form von Rutil, pyrogenem Siliziumdioxid, gefälltem Siliziumdioxid, Natriumaluminiumsilikat, Zirkoniumsilikat, Zeolith, Hydrotalkit und gamma-Aluminiumoxidhydroxid.
摘要:
In general, the invention relates to electro-conductive pastes with characteristic weight loss and their use in the preparation of photovoltaic solar cells. More specifically, the invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The invention relates to a paste comprising the following paste constituents: i. Metal particles; ii. An inorganic reaction system; iii. An organic vehicle; wherein the first weight loss Δ 30 is in the range from about 0.05 to about 0.3 wt. %.
摘要:
In general, the present invention relates to electro-conductive pastes with salt additives with anions consisting of halogen and oxygen, and solar cells with high Ohmic sheet resistance, preferably photovoltaic solar cells. More specifically, the present invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The present invention relates to an electro-conductive paste at least comprising as paste constituents: a) metallic particles; b) a glass frit; c) an organic vehicle; and d) a salt with an anion comprising an oxygen atom and a halogen atom.
摘要:
In general, the invention relates to electro-conductive pastes comprising particles with comprise Al and Ag and their use in the preparation of photovoltaic solar,cells, preferably n-type photovoltaic solar cells. More specifically, the invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The invention relates to a paste comprising as paste constituents: a. At least 80 wt. % silver powder, based on the total weight of the paste; b. An inorganic reaction system; c. An organic vehicle; d. Additive particles comprising Al and Ag as particle constituents, wherein Al and Ag are present in the additive particles as elements or in one or more single phase mixtures of elements comprising one or both of Al and Ag, or a combing-tion of one or both of Al and Ag as elements with one or more mixtures of elements. a combination of one or more elements with one or more mixtures of elements.
摘要:
In general, the present invention relates to an electro-conductive paste comprising a metal additive and solar cells obtainable therefrom by application of the paste to a p-type doped face. More specifically, the present invention relates to electro-conductive pastes, solar cell precursors, processes for preparation of solar cells, solar cells and solar modules. The present invention relates to a precursor comprising the following paste constituents: a. A Si wafer with at least one p-type doped face and at least one n-type doped face; b. A conductive paste comprising the following paste constituents: i. at least about 70 wt. % Ag particles, based on the paste, ii. a vehicle, iii. a glass, iv. a metal compound comprising a metal M and which is one or more selected from the group consisting of: an organic metal oxide, a metal oxide, an organic metal compound and a silver metal oxide; wherein the conductive paste b. is superimposed on a p-type doped face.